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发明名称
Perfectionnements aux matériels photo-sensibles
摘要
申请公布号
FR942258(A)
申请公布日期
1949.02.03
申请号
FRD942258
申请日期
1947.02.24
申请人
GENERAL ANILINE & FILM CORPORATION
发明人
分类号
主分类号
代理机构
代理人
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