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经营范围
发明名称
FRIGJOERINGSKOPLING.
摘要
申请公布号
NO163980(B)
申请公布日期
1990.05.07
申请号
NO19810002440
申请日期
1981.07.15
申请人
HUNTING OILFIELD SERVICES LTD
发明人
MILLER, JACK EVERETT
分类号
F16L21/08;F16L37/62;(IPC1-7):F16L37/08
主分类号
F16L21/08
代理机构
代理人
主权项
地址
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