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发明名称
Motion picture projector
摘要
申请公布号
US2315703(A)
申请公布日期
1943.04.06
申请号
US19390273975
申请日期
1939.05.16
申请人
MAX LEVEY
发明人
HIRSCHFELD WALTER H.
分类号
G03B21/02;G03B21/32
主分类号
G03B21/02
代理机构
代理人
主权项
地址
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