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发明名称
Capacitive transducer
摘要
申请公布号
US2907835(A)
申请公布日期
1959.10.06
申请号
US19540449604
申请日期
1954.08.13
申请人
PAUL KALMUS HENRY
发明人
KALMUS HENRY PAUL
分类号
H04R19/02;H04R19/06
主分类号
H04R19/02
代理机构
代理人
主权项
地址
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