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经营范围
发明名称
Dispositif de marquage applicable en particulier aux films pour la radiographie
摘要
申请公布号
FR918028(A)
申请公布日期
1947.01.28
申请号
FRD918028
申请日期
1945.11.27
申请人
发明人
FAY MARC
分类号
G03B42/04
主分类号
G03B42/04
代理机构
代理人
主权项
地址
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