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经营范围
发明名称
System for acoustically measuring the length of a pipe
摘要
申请公布号
EP0610073(B1)
申请公布日期
1997.12.03
申请号
EP19940300767
申请日期
1994.02.02
申请人
TOKYO GAS CO., LTD.
发明人
ITO, TAKANORI;TAI, HIDEO
分类号
G01S15/10;G01B17/00;G01S7/52;G01S7/526;(IPC1-7):G01S7/52
主分类号
G01S15/10
代理机构
代理人
主权项
地址
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