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经营范围
发明名称
PIPE PICKUP & LAYDOWN MACHINE
摘要
申请公布号
GB8523813(D0)
申请公布日期
1985.10.30
申请号
GB19850023813
申请日期
1985.09.27
申请人
INGRAM CORPORATION
发明人
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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