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经营范围
发明名称
LEAK TESTING TOOL
摘要
申请公布号
GB2129948(B)
申请公布日期
1984.10.31
申请号
GB19830022434
申请日期
1983.08.19
申请人
* BOC-NOWSCO LIMITED;* DREXEL EQUIPMENT
发明人
JOHN GORDON * MISSELBROOK;RICHARD ALVIN * ARMELL
分类号
E21B47/10;G01M3/22;(IPC1-7):G01M3/04
主分类号
E21B47/10
代理机构
代理人
主权项
地址
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