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经营范围
发明名称
BELAGTE ROER.
摘要
申请公布号
NO894391(D0)
申请公布日期
1989.11.03
申请号
NO19890004391
申请日期
1989.11.03
申请人
MARATHON OIL COMPANY
发明人
LUNT, WALTER R.
分类号
F16L;F16L59/14;(IPC1-7):F16L/
主分类号
F16L
代理机构
代理人
主权项
地址
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