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经营范围
发明名称
Photographic apparatus
摘要
申请公布号
US2202353(A)
申请公布日期
1940.05.28
申请号
US19390274461
申请日期
1939.05.18
申请人
MORGAN JOSEPH G
发明人
MORGAN JOSEPH G.
分类号
G03B27/32
主分类号
G03B27/32
代理机构
代理人
主权项
地址
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