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经营范围
发明名称
Procédé pour la reproduction d'enregistrements sonores sur films en couleurs
摘要
申请公布号
FR875762(A)
申请公布日期
1942.10.02
申请号
FRD875762
申请日期
1941.10.06
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
G03B31/00
主分类号
G03B31/00
代理机构
代理人
主权项
地址
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