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发明名称
Resilient film guide for motion picture projection machines
摘要
申请公布号
US1884609(A)
申请公布日期
1932.10.25
申请号
US19300422711
申请日期
1930.01.23
申请人
INTERNATIONAL PROJECTOR CORPORATION
发明人
DINA AUGUSTO
分类号
G03B1/50
主分类号
G03B1/50
代理机构
代理人
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地址
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