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发明名称
Устройство для автоматической реверсивной подачи электродной проволоки в дуговых электросварочных аппаратах
摘要
申请公布号
SU32646(A1)
申请公布日期
1933.10.31
申请号
SU19320108401
申请日期
1932.04.29
申请人
VARVULEV G.A.
发明人
VARVULEV G.A.
分类号
B23K9/12
主分类号
B23K9/12
代理机构
代理人
主权项
地址
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