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经营范围
发明名称
PIPE PICKUP AND LAYDOWN MACHINE
摘要
申请公布号
GB2134948(A)
申请公布日期
1984.08.22
申请号
GB19840007895
申请日期
1983.08.08
申请人
* INGRAM CORPORATION
发明人
JAMES ELBERT * BUCKNER
分类号
E21B19/20;E21B19/15;(IPC1-7):E21B19/14
主分类号
E21B19/20
代理机构
代理人
主权项
地址
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