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发明名称
Suspension means for sound translating devices
摘要
申请公布号
US1883100(A)
申请公布日期
1932.10.18
申请号
US19310537833
申请日期
1931.05.16
申请人
RADIO CORPORATION
发明人
TERRELL JOHN A.
分类号
G11B3/14
主分类号
G11B3/14
代理机构
代理人
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