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JJG 654-1990 English PDF

US$279.00 ยท In stock
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JJG 654-1990: Verification Regulation of Ultrasonic Hardness Testers
Status: Obsolete
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 654-1990English279 Add to Cart 3 days [Need to translate] Verification Regulation of Ultrasonic Hardness Testers Obsolete JJG 654-1990

PDF similar to JJG 654-1990


Standard similar to JJG 654-1990

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Basic data

Standard ID JJG 654-1990 (JJG654-1990)
Description (Translated English) Verification Regulation of Ultrasonic Hardness Testers
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Word Count Estimation 7,722
Date of Issue 6/12/1990
Date of Implementation 1/1/1991
Regulation (derived from) National Metrology technical regulations catalog edition 2010; AQSIQ Notice 2013 No. 154
Issuing agency(ies) State Bureau of Technical Supervision
Summary This standard applies to new manufacturing ultrasonic measuring metal hardness of test and repair after the use of Rockwell hardness.

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