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发明名称
Electrical sound track recorder for moving picture printing machines
摘要
申请公布号
US1882084(A)
申请公布日期
1932.10.11
申请号
US19290414718
申请日期
1929.12.17
申请人
MAX A. SCHLESINGER
发明人
MOORE DAVID PELTON
分类号
G03B31/00
主分类号
G03B31/00
代理机构
代理人
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地址
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