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发明名称
AUTOMATIC PIPE RACKING APPARATUS
摘要
申请公布号
EP0267002(B1)
申请公布日期
1993.05.12
申请号
EP19870309711
申请日期
1987.11.03
申请人
WOOLSLAYER COMPANIES, INC.
发明人
WOOLSLAYER, JOSEPH R.;JENKINS, CECIL;BRITTAIN, JOHN C.
分类号
E21B19/20
主分类号
E21B19/20
代理机构
代理人
主权项
地址
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