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发明名称
Vibration translating device
摘要
申请公布号
US2347347(A)
申请公布日期
1944.04.25
申请号
US19420456224
申请日期
1942.08.26
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
YENZER GEORGE R.
分类号
H04R9/12
主分类号
H04R9/12
代理机构
代理人
主权项
地址
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