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发明名称
Camera
摘要
申请公布号
US2171269(A)
申请公布日期
1939.08.29
申请号
US19370162455
申请日期
1937.09.04
申请人
GEORGE HILLMAN ALBERT
发明人
HILLMAN ALBERT GEORGE
分类号
G03B33/00
主分类号
G03B33/00
代理机构
代理人
主权项
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