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经营范围
发明名称
Perfectionnement aux classeurs de films photographiques
摘要
申请公布号
FR898447(A)
申请公布日期
1945.04.23
申请号
FRD898447
申请日期
1943.03.08
申请人
COMPAGNIE GENERALE DE RADIOLOGIE
发明人
分类号
G03B21/64
主分类号
G03B21/64
代理机构
代理人
主权项
地址
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