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发明名称
PROCEDE ET DISPOSITIF POUR LA PREPARATION DE NOIR DE FUMEE
摘要
申请公布号
FR2317341(A1)
申请公布日期
1977.02.04
申请号
FR19760020938
申请日期
1976.07.08
申请人
DEUTSCHE GOLD SILBER SCHEIDEANST
发明人
分类号
C09C1/00;C09C1/50;(IPC1-7):09C1/50
主分类号
C09C1/00
代理机构
代理人
主权项
地址
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