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发明名称
Camera
摘要
申请公布号
US2232240(A)
申请公布日期
1941.02.18
申请号
US19390264325
申请日期
1939.03.27
申请人
J. D. GRANT;C. W. DURBROW
发明人
JONES CHARLES F.
分类号
G03B42/02
主分类号
G03B42/02
代理机构
代理人
主权项
地址
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