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经营范围
发明名称
INTERNAL PIPE PULLING DEVICE
摘要
申请公布号
KR20010041641(A)
申请公布日期
2001.05.25
申请号
KR1020007009840
申请日期
2000.09.05
申请人
发明人
分类号
B21C1/00
主分类号
B21C1/00
代理机构
代理人
主权项
地址
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