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发明名称
COLOURED BUILDING MATERIAL
摘要
申请公布号
CA367933(A)
申请公布日期
1937.08.10
申请号
CAD367933
申请日期
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
LEO KOLLEK
分类号
主分类号
代理机构
代理人
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