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发明名称
METHOD AND APPARATUS FOR CARRYING OUT PULSE-ECHO MEASUREMENT
摘要
申请公布号
EP0258843(B1)
申请公布日期
1991.06.12
申请号
EP19870112562
申请日期
1987.08.28
申请人
TEKTRONIX, INC.
发明人
CHENG, JOHN;GOLL, JEFFREY H.;EDWARDS, J. NELSON
分类号
G02B6/00;G01M11/00
主分类号
G02B6/00
代理机构
代理人
主权项
地址
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