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发明名称
Устройство для удержания фаз при электродуговой сварке
摘要
申请公布号
SU92212(A1)
申请公布日期
1950.11.30
申请号
SU19500415682
申请日期
1950.04.06
申请人
PERLIS I.L.
发明人
PERLIS I.L.
分类号
B23K37/06;B23K9/02;B23K9/18
主分类号
B23K37/06
代理机构
代理人
主权项
地址
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