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发明名称
PRODUCTION OF COLOURING MATERIALS FOR COLOURING RUBBER
摘要
申请公布号
CA305186(A)
申请公布日期
1930.10.28
申请号
CAD305186
申请日期
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
CARL NEUBAUER;RUDOLPH KRECH
分类号
主分类号
代理机构
代理人
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