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发明名称
AN APPARATUS FOR CONTROLLING EXPANSION OF A TUBE WITHIN A TUBE SHEET
摘要
申请公布号
KR1019850001846(B1)
申请公布日期
1985.12.28
申请号
KR1019810001673
申请日期
1981.05.15
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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