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发明名称
Calibration of pulse-echo measurement systems
摘要
申请公布号
GB9908977(D0)
申请公布日期
1999.06.16
申请号
GB19990008977
申请日期
1999.04.21
申请人
HYMETRICS LIMITED
发明人
分类号
主分类号
代理机构
代理人
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