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发明名称
Improvements in the manufacture and production of valuable substitution products of the dibenzpyrenequinone series
摘要
申请公布号
GB358502(A)
申请公布日期
1931.10.05
申请号
GB19300020326
申请日期
1930.07.04
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
C09B3/50;C09B3/54
主分类号
C09B3/50
代理机构
代理人
主权项
地址
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