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发明名称
Pipe stopper
摘要
申请公布号
GB2246827(B)
申请公布日期
1994.11.30
申请号
GB19900017375
申请日期
1990.08.08
申请人
* INTERNATIONAL PIPELINE PRODUCTS LIMITED
发明人
KENNETH SAMUEL * HEMINGWAY
分类号
B08B9/02;F16L55/134;(IPC1-7):F16L55/12;F16L55/26
主分类号
B08B9/02
代理机构
代理人
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