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发明名称
Vibrating reed selector
摘要
申请公布号
US2694119(A)
申请公布日期
1954.11.09
申请号
US19510259132
申请日期
1951.11.30
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
ARMITAGE ETHEL D.
分类号
H04M19/02
主分类号
H04M19/02
代理机构
代理人
主权项
地址
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