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GB/T 19956.2-2005 PDF English

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GB/T 19956.2-2005: Positive-displacement vacuum pumps -- Measurement of performance characteristics -- Part 2: Measurement of ultimate pressure
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GB/T 19956.2-2005English279 Add to Cart 3 days [Need to translate] Positive-displacement vacuum pumps -- Measurement of performance characteristics -- Part 2: Measurement of ultimate pressure

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Basic data

Standard ID GB/T 19956.2-2005 (GB/T19956.2-2005)
Description (Translated English) Positive-displacement vacuum pumps -- Measurement of performance characteristics -- Part 2: Measurement of ultimate pressure
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J78
Classification of International Standard 23.160
Word Count Estimation 7,789
Date of Issue 2005-09-19
Date of Implementation 2006-04-01
Older Standard (superseded by this standard) JB/T 7266-1994
Adopted Standard ISO 1607-2-1989; IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 12 of 2005 (total 86)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee
Summary This standard specifies: volume pump ultimate pressure measurement methods, studied pump is directly discharged atmosphere and a single-stage below 100Pa- entry limit pressure.

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