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经营范围
发明名称
Disposition d'éclairage pour la projection de films gaufrés
摘要
申请公布号
FR775125(A)
申请公布日期
1934.12.20
申请号
FRD775125
申请日期
1934.06.28
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
G03B21/20
主分类号
G03B21/20
代理机构
代理人
主权项
地址
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