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GB/T 17739.4-2008 English PDF

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GB/T 17739.4-2008: Microfilming of technical drawings and other drawing office documents -- Part 4: Microfilming of drawing of special and exceptional elongated sizes
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 17739.4-2008English154 Add to Cart 3 days [Need to translate] Microfilming of technical drawings and other drawing office documents -- Part 4: Microfilming of drawing of special and exceptional elongated sizes Valid GB/T 17739.4-2008

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Basic data

Standard ID GB/T 17739.4-2008 (GB/T17739.4-2008)
Description (Translated English) Microfilming of technical drawings and other drawing office documents -- Part 4: Microfilming of drawing of special and exceptional elongated sizes
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A14
Classification of International Standard 37.080
Word Count Estimation 8,827
Date of Issue 2008-07-16
Date of Implementation 2009-01-01
Older Standard (superseded by this standard) GB/T 17739-1999
Adopted Standard ISO 3274-4-1994, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 12 of 2008 (No. 125 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the framing pattern sequence shooting, reduction ratio and frame overlapping requirements. This section applies to GB/T 14689 given special and oversized drawings (see Appendix A) of the shooting.

GB/T 17739.4-2008: Microfilming of technical drawings and other drawing office documents -- Part 4: Microfilming of drawing of special and exceptional elongated sizes


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Microfilming of technical drawings and other drawing office documents Part 4. Microfilming of drawing of special and exceptional elongated sizes ICS 37.080 A14 National Standards of People's Republic of China GB/T 17739.4-2008/ISO 3272-4.1994 Replacing GB/T 17739-1999 Microfilming of technical drawings and technical documents Shooting Special and oversized pattern. Part 4 (ISO 3272-4.1994, IDT) Posted 2008-07-16 2009-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 17739 "technical drawings and technical documents microfilming" is divided into six parts. --- Part 1. Operating procedures; Part --- Article 2. 35mm silver - gelatin microforms quality guidelines and testing; Part --- Section 3. 35mm microfilm aperture cards; --- Part 4. Special and oversized pattern shooting; --- Part 5. microfilm images in aperture cards diazo copy testing procedures; --- Part 6. Quality criteria and control of systems for enlargements from 35mm microfilm. This section GB/T Section 417,739, the equivalent of using the ISO 3272-4.1994 shrink "technical drawings and other drawing office documents Micro photography - Part 4. Special and oversized pattern microfilm "(in English). This part of ISO 3272-4.1994 as compared to, mainly to do the following editorial changes. --- Normative references to the corresponding national standards; --- "International standards in this section" to "this Part"; --- Delete international standards preface; "." --- With a decimal point instead of a comma as the decimal point, ""; --- Added Appendix A. GB/T 6159.6-2003 Micrographics - Vocabulary - Part 6. Equipment (ISO 6196-6.1992, MOD) GB/T 6159.22-2000 Micrographics - Vocabulary Part II. and methods of recording images (eqv ISO 6196- 2.1993) GB/T 14689-1993 Technical drawings drawing format and format (ISO 5457. 1980, IDT) GB/T 17739.1-2008 technical drawings and technical documents microfilming - Part 1. Operating procedures (ISO 3272-1. 2003, MOD) Micrographics - Part 2 GB/T 17739.2-2006 technical drawings and technical documents. 35mm silver - gelatin microforms Quality standards and inspection (ISO 3272-2.1994, MOD)

3 Terms and Definitions

GB/T 6159.1-2003, GB/T 6159.3-2003, GB/T 6159.4-2003, GB/T 6159.5-2000, GB/T 6159.6-2003, terms and definitions GB/T 6159.22-2000 established in this section apply to GB/T 17739 of.

4 with a frame shot

When shooting a less than 890mm × 1210mm pattern in a frame, the pattern should be positioned so that it is located in the center of the image Center frame and should be able to use all images into a frame accommodating the minimum reduction ratio shot pattern.

5 subdivision shooting

5.1 pairs labeled When the required subdivision shooting oversized drawings, should each framing the long side of the midpoint mark mark, framing phase should be at least partially overlap 100mm (Figure 1). If the picture in the overlapping part of the important information, the overlapping portion should be greater than 100mm. Should choose GB/T 17739.1- 2008 predetermined reduction ratio, maximum use of frame area. 5.2 Original Location shooting in draft stage If you need framing when shooting the original rotation, should rotate counterclockwise 90 °. GB/T 17739.4-2008/ISO 3272-4.1994

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