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发明名称
PIPE CONNECTORS
摘要
申请公布号
GB8323350(D0)
申请公布日期
1983.10.05
申请号
GB19830023350
申请日期
1983.08.31
申请人
HUNTING OILFIELD SERVICES (UK) LTD
发明人
分类号
主分类号
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