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发明名称
Reproducing machine for film records
摘要
申请公布号
US2008033(A)
申请公布日期
1935.07.16
申请号
US19310559392
申请日期
1931.08.26
申请人
UNITED RESEARCH CORPORATION
发明人
NYSTROM MARTIN
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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