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发明名称
Ultrasonic vibration detector
摘要
申请公布号
US3222635(A)
申请公布日期
1965.12.07
申请号
US19620236956
申请日期
1962.11.13
申请人
HEWLETT-PACKARD COMPANY
发明人
SIMPKINS ALAN B.;HAMILTON ROBERT H.
分类号
G01M3/24
主分类号
G01M3/24
代理机构
代理人
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