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发明名称
Shutter mechanism
摘要
申请公布号
US1884605(A)
申请公布日期
1932.10.25
申请号
US19280315406
申请日期
1928.10.27
申请人
INTERNATIONAL PROJECTOR CORPORATION
发明人
DINA AUGUSTO
分类号
G03B9/10
主分类号
G03B9/10
代理机构
代理人
主权项
地址
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