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发明名称
FORMATION OF WATER COOLING HOLE OF CONDUCTIVE MATERIAL FOR WELDING M/C
摘要
申请公布号
KR910004658(B1)
申请公布日期
1991.07.09
申请号
KR19860003682
申请日期
1986.05.12
申请人
OBARA METAL IND. CO.LTD.
发明人
AZUCHI HIROYUKI
分类号
B23K11/11;B22C9/10;B22C9/22;B23K11/10;(IPC1-7):B23K11/11
主分类号
B23K11/11
代理机构
代理人
主权项
地址
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