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发明名称
Self-focusing camera
摘要
申请公布号
US1866581(A)
申请公布日期
1932.07.12
申请号
US19310544782
申请日期
1931.06.16
申请人
SIMJIAN LUTHER G
发明人
SIMJIAN LUTHER G.
分类号
G02B7/32;G03B19/18
主分类号
G02B7/32
代理机构
代理人
主权项
地址
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