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发明名称
Lever type piezoelectric transducer
摘要
申请公布号
US2565586(A)
申请公布日期
1951.08.28
申请号
US19490106930
申请日期
1949.07.26
申请人
SHURE BROTHERS, INCORPORATED
发明人
BAUER BENJAMIN B.
分类号
H04R17/04
主分类号
H04R17/04
代理机构
代理人
主权项
地址
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