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发明名称
CAST WELDING ROD FOR OXY-ACETYLENE SURFACING
摘要
申请公布号
PL149074(B1)
申请公布日期
1990.01.31
申请号
PL19850254266
申请日期
1985.07.01
申请人
发明人
分类号
B23K;B23K35/24;(IPC1-7):B23K35/24
主分类号
B23K
代理机构
代理人
主权项
地址
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