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发明名称
ULTRASONIC MAGNETOSTRICTIVE TRANSDUCER ELEMENT
摘要
申请公布号
US3484630(A)
申请公布日期
1969.12.16
申请号
USD3484630
申请日期
1967.12.11
申请人
DOALL CO.
发明人
BENJAMIN SCHWARTZ
分类号
B06B1/08;(IPC1-7):H02N7/00
主分类号
B06B1/08
代理机构
代理人
主权项
地址
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