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经营范围
发明名称
Acetylenentwickler
摘要
申请公布号
DE550410(C)
申请公布日期
1932.05.11
申请号
DED550410D
申请日期
申请人
I. G. FARBENINDUSTRIE AKT.-GES.
发明人
分类号
C10H9/00
主分类号
C10H9/00
代理机构
代理人
主权项
地址
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