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发明名称
Camera construction
摘要
申请公布号
US2368970(A)
申请公布日期
1945.02.06
申请号
US19410419424
申请日期
1941.11.17
申请人
COOK NORMAN L
发明人
COOK NORMAN L.
分类号
G03B17/53
主分类号
G03B17/53
代理机构
代理人
主权项
地址
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