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发明名称
Recording device
摘要
申请公布号
US2012437(A)
申请公布日期
1935.08.27
申请号
US19330689554
申请日期
1933.09.15
申请人
SEGAL RALPH H
发明人
SEGAL RALPH H.
分类号
B41L5/06
主分类号
B41L5/06
代理机构
代理人
主权项
地址
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