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Gaseous helium. Method for determination of impurities volume fraction by emission spectral analysis
STANDARD published on 1.1.1976
Designation standards: GOST 20461-75
Publication date standards: 1.1.1976
SKU: NS-384747
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 1.81
Amd. 6.85
Amd. 8.90
Amd. 3.97
1.12.1981
1.1.1982
1.1.1982
1.1.1990
1.1.1981
1.1.1977
Latest update: 2025-06-15 (Number of items: 2 204 137)
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