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经营范围
发明名称
Monocular photographic apparatus
摘要
申请公布号
US2022454(A)
申请公布日期
1935.11.26
申请号
US19340709185
申请日期
1934.01.31
申请人
JOSEPH H. HINSHAW
发明人
BARNES ALLEN L.
分类号
G03B35/00
主分类号
G03B35/00
代理机构
代理人
主权项
地址
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