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发明名称
Microphone employing piezoresistive element
摘要
申请公布号
US3383475(A)
申请公布日期
1968.05.14
申请号
US19650485760
申请日期
1965.09.08
申请人
EUPHONICS CORPORATION
发明人
WIGGINS ALPHA M.
分类号
H04R21/02
主分类号
H04R21/02
代理机构
代理人
主权项
地址
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