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经营范围
发明名称
Photographic shutter apparatus
摘要
申请公布号
US3194141(A)
申请公布日期
1965.07.13
申请号
US19600054765
申请日期
1960.09.08
申请人
POLAROID CORPORATION
发明人
DIETZ MILTON S.
分类号
G03B7/085
主分类号
G03B7/085
代理机构
代理人
主权项
地址
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