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International Standard Category: Oxides

YS/T 639-2007    Pure molybdenum trioxide
纯三氧化钼;
Category No.:71.060.20 Valid Status:superseded
Issued Organization:NDRC Issued Date:2007-4-13
Implemented Date:2007-10-1 Abolished Date:
Superseded Standard.:YS/T 639-2023 Pure molybdenum trioxide
Superseded Date:2023-11-1
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