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发明名称
Verfahren zur Herstellung von Kuepenfarbstoffen
摘要
申请公布号
DE748764(C)
申请公布日期
1944.11.09
申请号
DED748764D
申请日期
1941.02.22
申请人
发明人
BRAUN DR. WILLY
分类号
C09B5/40
主分类号
C09B5/40
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代理人
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