GBT1557
GBT1557, Total:3 items.
The international standard classification for "GBT1557" includes: Testing of metals , Chemical analysis of metals .
The Chinese standard classification for "GBT1557" includes: Semimetal and semiconductor material analysis method , Metal physical property test method .
国家市场监督管理总局、中国国家标准化管理委员会
- GB/T 1557-2018 Test method for determining interstitial oxygen content in silicon by infrared absorption
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 1557-1989 The method of determining interstitial oxygen content in silicon by infrared absorption
- GB/T 1557-2006 The method of determining interstitial oxygen content in silicon by infrared absorption
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