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经营范围
发明名称
PIPE PULLING OFF APPARATUS
摘要
申请公布号
PL127502(B1)
申请公布日期
1983.10.31
申请号
PL19810229602
申请日期
1981.02.10
申请人
发明人
分类号
E03F3/06;F16L1/00;F16L1/09;(IPC1-7):E03F3/06
主分类号
E03F3/06
代理机构
代理人
主权项
地址
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