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发明名称
Process for recording sound for talking machines
摘要
申请公布号
US1835164(A)
申请公布日期
1931.12.08
申请号
US19260139339
申请日期
1926.10.04
申请人
HEINRICH KUCHENMEISTER
发明人
KUCHENMEISTER HEINRICH
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
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