GB/T 1557-1989

The method of determining interstitial oxygen content in silicon by infrared absorption

NORMA vydaná dňa 31.3.1989

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The information about the standard:

Designation standards: GB/T 1557-1989
Note: NEPLATNÁ
Publication date standards: 31.3.1989
Country: Chinese technical standard
Kategória: Technické normy GB