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发明名称
Photographic apparatus
摘要
申请公布号
US3273451(A)
申请公布日期
1966.09.20
申请号
US19630331201
申请日期
1963.12.17
申请人
WILSON FREDERICK E
发明人
WILSON FREDERICK E.
分类号
G03B27/73
主分类号
G03B27/73
代理机构
代理人
主权项
地址
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