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发明名称
Perfectionnements dans la cinématographie en couleurs
摘要
申请公布号
FR929724(A)
申请公布日期
1948.01.06
申请号
FRD929724
申请日期
1946.06.25
申请人
发明人
FRAUNHOFER HANS VON
分类号
G03C7/22
主分类号
G03C7/22
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代理人
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