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经营范围
发明名称
Displaceable valve assembly or pig
摘要
申请公布号
GB2215805(A)
申请公布日期
1989.09.27
申请号
GB19890000638
申请日期
1989.01.12
申请人
* FORSAC LIMITED
发明人
JOHN JAMES * MCCAFFERTY;STEPHEN JOHN * SUDDELL
分类号
F16L55/128
主分类号
F16L55/128
代理机构
代理人
主权项
地址
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