clay nitrogen
clay nitrogen, Total:4 items.
The international standard classification for "clay nitrogen" includes: Other non-ferrous metals and their alloys .
The Chinese standard classification for "clay nitrogen" includes: Rare metals and their alloys .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 42668-2023(英文版) Samarium iron nitrogen bonded permanent magnetic powder
- GB/T 42668-2023 Samarium-iron-nitrogen permanent magnetic powder for bonded magnet
Ente Nazionale Italiano di Unificazione
- UNI EN 13342:2002 Characterisation of sludges - Determination of Kjeldahl nitrogen
- UNI 9971:1992 Adhesives. Determination of total nitrogen.
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