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发明名称
Pipe connectors
摘要
申请公布号
GB2205370(A)
申请公布日期
1988.12.07
申请号
GB19870012063
申请日期
1987.05.21
申请人
* NATIONAL SUPPLY COMPANY
发明人
MURRAY * MCINTOSH
分类号
E21B33/038;F16L37/00;(IPC1-7):F16L37/12
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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