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发明名称
Focusing camera
摘要
申请公布号
US2143792(A)
申请公布日期
1939.01.10
申请号
US19370140233
申请日期
1937.05.01
申请人
EASTMAN KODAK COMPANY
发明人
NAGEL AUGUST
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
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