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发明名称
Dispositif de classement de clichés et épreuves photo et cinématographiques et visionneuse appropriée
摘要
申请公布号
FR1108674(A)
申请公布日期
1956.01.16
申请号
FRD1108674
申请日期
1954.09.30
申请人
发明人
LEONARD CLAUDE
分类号
G03B21/64
主分类号
G03B21/64
代理机构
代理人
主权项
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