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发明名称
Filt.
摘要
申请公布号
DK60583(C)
申请公布日期
1943.02.08
申请号
DKD60583
申请日期
1939.11.23
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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