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发明名称
Motion-picture projector
摘要
申请公布号
US2424739(A)
申请公布日期
1947.07.29
申请号
US19440525451
申请日期
1944.03.07
申请人
DON CANADY
发明人
CANADY DON
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
主权项
地址
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