GB/T 24761-2009 English PDF

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GB/T 24761-2009: Steel and granite straight edges
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24761-2009	229	Add to Cart	3 days	Steel and granite straight edges	Valid

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Basic data

Standard ID: GB/T 24761-2009 (GB/T24761-2009)
Description (Translated English): Steel and granite straight edges
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J42
Classification of International Standard: 17.040.30
Word Count Estimation: 10,197
Date of Issue: 2009-12-15
Date of Implementation: 2010-09-01
Quoted Standard: GB/T 17163; GB/T 17164
Regulation (derived from): National Standard Approval Announcement 2009 No.15 (Total No.155)
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 steel flat feet flat feet and rock terminology and definitions, Types and basic parameters, requirements, test methods, such as logo and packaging.

GB/T 24761-2009: Steel and granite straight edges

---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.
Steel and granite straight edges ICS 17.040.30 J42 National Standards of People's Republic of China Steel flat feet flat foot and rock Posted 2009-12-15 2010-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The Standard Appendix A, Appendix B is an informative annex. The standard proposed by China Machinery Industry Federation. The standard measuring instrument by the National Standardization Technical Committee (SAC/TC132) centralized. This standard is drafted by. China Institute of Metrology. Participated in the drafting of this standard. Qingdao outpost Precision Instrument Co., Ltd., Henan Institute of Metrology, scientific research measurement Zhejiang Study hospital. The main drafters of this standard. Ming, Zhou Yang, Zhang Wuting, Gu Xiaojie, Mao Zhenhua, Zheng Yongjun, Zhao. Steel flat feet flat foot and rock

1 Scope

This standard specifies the flat-foot steel and rock square feet of terms and definitions, types and basic parameters, requirements, and other test methods, marking and packaging. This standard applies to the specification of 400mm ~ 2500mm, accuracy rating of 00,0,1 and 2 flat-foot steel and rock flat feet (in Hereinafter referred to as "flat feet").

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 17163 dimensional measuring instruments - Basic terminology GB/T 17164 dimensional measuring instruments - Product terms

3 Terms and Definitions

GB/T 17163, the terms and definitions GB/T 17164 in established apply to this standard.

4 Types and basic parameters

Supporting standard 4.1-foot level of the type shown in Figure 1, shown below in Figure E = 2/9 × 2 L is the best support distance, thereby determining the flat feet when being tested Bearing position. Illustration illustration purposes only and does not indicate a detailed structure. Type 1 a schematic diagram of the I-shaped flat feet

2 rectangular flat feet schematic diagram of the type

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