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经营范围
发明名称
Reflex camera
摘要
申请公布号
US2119200(A)
申请公布日期
1938.05.31
申请号
US19360074454
申请日期
1936.04.15
申请人
EDWARD CAMPBELL ROBERT
发明人
CAMPBELL ROBERT EDWARD
分类号
G03B19/12
主分类号
G03B19/12
代理机构
代理人
主权项
地址
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