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发明名称
Способ автоматической сварки под слоем флюса
摘要
申请公布号
SU90908(A1)
申请公布日期
1950.11.30
申请号
SU19500418737
申请日期
1950.05.26
申请人
ERMAKOV A.V.;TIMOFEEV V.I.
发明人
ERMAKOV A.V.;TIMOFEEV V.I.
分类号
B23K9/18;B23K33/00
主分类号
B23K9/18
代理机构
代理人
主权项
地址
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