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JJG 2025-1989 English PDF

US$219.00 ยท In stock
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JJG 2025-1989: Verification Scheme of Measuring Instruments for Microhardness
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JJG 2025-1989English219 Add to Cart 2 days [Need to translate] Verification Scheme of Measuring Instruments for Microhardness   JJG 2025-1989

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Basic data

Standard ID JJG 2025-1989 (JJG2025-1989)
Description (Translated English) Verification Scheme of Measuring Instruments for Microhardness
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Word Count Estimation 5,579
Date of Issue 6/11/1905
Date of Implementation 7/1/1990
Summary This standard applies to the test force is 0. 490 3-9. 806 7 N (0. 05-1 kgf) of significant emblem (Vickers) hardness test most appliances. It provides significant hardness unit emblem national benchmark uses a full basic measuring instruments included baseline, baseline measurement parameters and the aid workers of the quasi-standard bursting single pass significant emblem filler wire shoots ping Pan Tang appliances to work, and indicate the uncertainty and basic test methods.

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