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经营范围
发明名称
INSPECTIETOESTEL VOOR HET CONTROLEREN VAN EEN PIJPLEIDING.
摘要
申请公布号
NL172483(C)
申请公布日期
1983.09.01
申请号
NL19710007100
申请日期
1971.05.25
申请人
T.D. WILLIAMSON, INC. TE TULSA, OKLAHOMA, VER. ST. V. AM.
发明人
分类号
G01C22/02;G01M3/00;(IPC1-7):F16L55/00;F17D5/00
主分类号
G01C22/02
代理机构
代理人
主权项
地址
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