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经营范围
发明名称
Perfectionnements aux obturateurs photographiques
摘要
申请公布号
FR867389(A)
申请公布日期
1941.10.20
申请号
FRD867389
申请日期
1940.10.05
申请人
KODAK-PATHE
发明人
分类号
G03B9/22
主分类号
G03B9/22
代理机构
代理人
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