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发明名称
Talking machine combined with a still projector and film strip therefor
摘要
申请公布号
US2581079(A)
申请公布日期
1952.01.01
申请号
US19480007754
申请日期
1948.02.12
申请人
DUKANE CORPORATION
发明人
COUTELEN JULIEN HENRI
分类号
G03B31/06
主分类号
G03B31/06
代理机构
代理人
主权项
地址
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