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发明名称
Photographic apparatus
摘要
申请公布号
US2072084(A)
申请公布日期
1937.03.02
申请号
US19360081629
申请日期
1936.05.25
申请人
CAREY CLARENCE W
发明人
CAREY CLARENCE W.
分类号
G03B15/06
主分类号
G03B15/06
代理机构
代理人
主权项
地址
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