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发明名称
Camera
摘要
申请公布号
US2234345(A)
申请公布日期
1941.03.11
申请号
US19370161300
申请日期
1937.08.27
申请人
SAMUEL HERSHBERG
发明人
HERSHBERG SAMUEL
分类号
G03B17/53
主分类号
G03B17/53
代理机构
代理人
主权项
地址
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