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经营范围
发明名称
METHOD OF WELDING COPPER AND STEEL BY FUSION
摘要
申请公布号
SU1447596(A1)
申请公布日期
1988.12.30
申请号
SU19874225399
申请日期
1987.02.05
申请人
SHUTOV BORIS A,SU;LIFANOV NIKOLAJ D,SU
发明人
SHUTOV BORIS A,SU;LIFANOV NIKOLAJ D,SU
分类号
B23K9/23;B23K3/00
主分类号
B23K9/23
代理机构
代理人
主权项
地址
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