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经营范围
发明名称
Procédé pour l'obtention de l'azoture de phosphore
摘要
申请公布号
FR674370(A)
申请公布日期
1930.01.28
申请号
FRD674370
申请日期
1928.09.11
申请人
发明人
URBAIN EDOUARD
分类号
C01B21/097
主分类号
C01B21/097
代理机构
代理人
主权项
地址
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