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发明名称
Способ электродуговой сварки стальных труб
摘要
申请公布号
SU149840(A1)
申请公布日期
1961.11.30
申请号
SU19610753231
申请日期
1961.11.24
申请人
发明人
BUDNIK N.M.;TKACHENKO V.A.;IVANENKO V.M.;GUFAN R.M.
分类号
B23K31/02
主分类号
B23K31/02
代理机构
代理人
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地址
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