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发明名称
Устройство для измерения скорости вращения электрической дуги в кольцевом пространстве между концентрическими электродами
摘要
申请公布号
SU114906(A1)
申请公布日期
1957.11.30
申请号
SU19570587162
申请日期
1957.11.12
申请人
OBUKH A.A.
发明人
OBUKH A.A.
分类号
H05B7/00
主分类号
H05B7/00
代理机构
代理人
主权项
地址
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