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发明名称
PIPE LINING METHOD
摘要
申请公布号
KR1019890000119(B1)
申请公布日期
1989.03.08
申请号
KR1019850001062
申请日期
1985.02.21
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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