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发明名称
Motion-picture projector film feed
摘要
申请公布号
US2511732(A)
申请公布日期
1950.06.13
申请号
US19440556683
申请日期
1944.10.02
申请人
AMERICAN PATTERN AND MANUFACTURING CO.
发明人
MILLER RAYMOND J.
分类号
G03B1/42
主分类号
G03B1/42
代理机构
代理人
主权项
地址
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