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发明名称
Shutter-diaphragm assemblies for photographic devices
摘要
申请公布号
US3203329(A)
申请公布日期
1965.08.31
申请号
US19630264238
申请日期
1963.03.11
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
WEISS HUGO
分类号
G03B9/22
主分类号
G03B9/22
代理机构
代理人
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地址
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