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JJG 2019-1989 English PDF

US$259.00 ยท In stock
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JJG 2019-1989: Verification Scheme of Measuring Instruments for Flantness
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JJG 2019-1989English259 Add to Cart 3 days [Need to translate] Verification Scheme of Measuring Instruments for Flantness   JJG 2019-1989

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Basic data

Standard ID JJG 2019-1989 (JJG2019-1989)
Description (Translated English) Verification Scheme of Measuring Instruments for Flantness
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Word Count Estimation 7,780
Date of Issue 6/11/1905
Date of Implementation 4/1/1990
Summary This standard applies to the optical industry, machinery industry, the production and use of the flat plane of the crystal, the crystal and the detection of long flat flatness, straightness of instruments and appliances used.

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