Oxynitrogen
Oxynitrogen, Total:2 items.
The international standard classification for "Oxynitrogen" includes: Chemical analysis of metals .
The Chinese standard classification for "Oxynitrogen" includes: Metallochemistry analysis method in general .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 14265-1993 rule of chemical analysis for hydrogen, oxygen, nitrogen, carbon and sulfur in metals materials
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会
- GB/T 14265-2017 General rule of chemical analysis for hydrogen, oxygen, nitrogen, carbon and sulfur in metallic materials
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