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经营范围
发明名称
TUBULAR JOINT
摘要
申请公布号
SG32687(G)
申请公布日期
1988.03.04
申请号
SG19870000326
申请日期
1987.04.07
申请人
CAMERON IRON WORKS INC.
发明人
分类号
F16L21/06;E21B17/08;E21B33/00;E21B33/03;F16L23/18;(IPC1-7):F16L23/00
主分类号
F16L21/06
代理机构
代理人
主权项
地址
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