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发明名称
METHOD AND APPTS. FOR MACHINING GROOVES AROUND A TUBE MEMBER FOR REACTOR PRESSURE VESSEL
摘要
申请公布号
KR1019900000591(B1)
申请公布日期
1990.02.01
申请号
KR1019820005467
申请日期
1982.12.06
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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