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发明名称
Lens attaching means for cameras
摘要
申请公布号
US1984544(A)
申请公布日期
1934.12.18
申请号
US19320637926
申请日期
1932.10.15
申请人
INTERNATIONAL PROJECTOR CORPORATION
发明人
PEARLMAN JULIUS
分类号
G03B3/02
主分类号
G03B3/02
代理机构
代理人
主权项
地址
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