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发明名称
CURING METHOD OF CEMENT MORTAR LINING ON STEEL PIPE
摘要
申请公布号
KR1019800001292(B1)
申请公布日期
1980.10.26
申请号
KR1019740000757
申请日期
1974.01.04
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
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