GB/T 7962.20-2010 English PDF

US$229.00 · In stock
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GB/T 7962.20-2010: Test methods of colourless optical glass -- Part 20: Density
Status: Valid

GB/T 7962.20: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 7962.20-2010	229	Add to Cart	3 days	Test methods of colourless optical glass -- Part 20: Density	Valid
GB/T 7962.20-1987	199	Add to Cart	2 days	Colourless optical glass test methods--Density	Obsolete

Similar standards

GB/T 903   GB/T 7962.2   GB/T 10586   GB/T 7962.13   GB/T 7962.22   GB/T 7962.23   

Basic data

Standard ID: GB/T 7962.20-2010 (GB/T7962.20-2010)
Description (Translated English): Test methods of colourless optical glass -- Part 20: Density
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N05
Classification of International Standard: 81.040.01
Word Count Estimation: 10,134
Date of Issue: 2011-01-14
Date of Implementation: 2011-05-01
Older Standard (superseded by this standard): GB/T 7962.20-1987
Quoted Standard: GB 253; GB/T 678; GB/T 684; GB/T 903; GB/T 6682
Regulation (derived from): National Standard Approval Announcement 2011 No.2
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 test methods principle of colorless optical glass density, test conditions, procedures and data processing and so on. This section applies to an optical density test colorless glass.

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