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发明名称
Camera attachment
摘要
申请公布号
US2347520(A)
申请公布日期
1944.04.25
申请号
US19410420222
申请日期
1941.11.24
申请人
THEODORE H. BRISKIN;PHILIP F. BRISKIN;JACK BRISKIN
发明人
SPERRY PHILMORE F.;BRISKIN PHILIP F.;BRISKIN JACK;SPERRY HELEN B.
分类号
G03B19/26
主分类号
G03B19/26
代理机构
代理人
主权项
地址
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