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经营范围
发明名称
Agrandisseur photographique
摘要
申请公布号
FR866454(A)
申请公布日期
1941.08.14
申请号
FRD866454
申请日期
1940.05.16
申请人
发明人
DEWEY EDWARD BRADLEY,
分类号
G03B27/36
主分类号
G03B27/36
代理机构
代理人
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