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Technical agate and chalcedony. Specifications
STANDARD published on 1.1.1971
Designation standards: GOST 15519-70
Publication date standards: 1.1.1971
SKU: NS-381255
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 11.72
Amd. 11.84
WITHDRAWN
1.1.1992
1.7.1992
1.7.1992
WITHDRAWN
1.1.1993
WITHDRAWN
1.1.1993
WITHDRAWN
1.1.1993
Latest update: 2025-02-07 (Number of items: 2 224 305)
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