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发明名称
Method and apparatus for measuring ultrasonic velocity by crossed beam
摘要
申请公布号
US4821574(A)
申请公布日期
1989.04.18
申请号
US19870075603
申请日期
1987.07.20
申请人
KABUSHIKI KAISHA TOSHIBA
发明人
TAKAMIZAWA, KINYA
分类号
G01H5/00;G01S7/52;(IPC1-7):G01N29/04
主分类号
G01H5/00
代理机构
代理人
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地址
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