Colourless optical glass test methods; Knoop hardness

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GB/T 7962.21-1987 Colourless optical glass test methods; Knoop hardness
Standard No.:	GB/T 7962.21-1987	Status:	ABOLISHED remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	1000 words	Price(USD):	30 (USD) remind me the price change Email:
Implemented on:	1987-12-01	Delivery:	via email in 1-3 business day
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Standard No.:	GB/T 7962.21-1987
Chinese Name:	无色光学玻璃测试方法克氏硬度测试方法
English Name:	Colourless optical glass test methods; Knoop hardness
Professional Classification:	N05 Material and component for instrument and meter
Professional Classification:	GB National Standard
ICS Classification:	81.040
Issued by:
Issued on:	1987-05-25
Implemented on:	1987-12-01
Status:	ABOLISHED
Replace By:	GB/T7962.18-2010 Test methods of colourless optical glass—Part 18:Knoop hardness
Replace By Date:	2011-05-01
Language:	English
File Format:	PDF
Word Count:	1000 words
Price(USD):	30 (USD)
Delivery:	via email in 1-3 business day

GB/T 7962.21-1987 The following standards are cited：

GB/T 7962.21-1987 Cited by the following standards：

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