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经营范围
发明名称
Attache de la pellicule dans la fente de la bobine
摘要
申请公布号
FR898203(A)
申请公布日期
1945.04.13
申请号
FRD898203
申请日期
1943.09.21
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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