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发明名称
Douille en matière artificielle pour films en bobines
摘要
申请公布号
FR871752(A)
申请公布日期
1942.05.09
申请号
FRD871752
申请日期
1939.05.30
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
G03B17/30
主分类号
G03B17/30
代理机构
代理人
主权项
地址
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