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发明名称
Durch ein einziges Schaltorgan erfolgende dreistufige Regulierung von drei gleichen, in Sternschaltung an ein Drehstromnetz mit Nulleiter anschliessbaren Heizwiderstaenden
摘要
申请公布号
DE585795(C)
申请公布日期
1933.10.10
申请号
DENDATV027220D
申请日期
申请人
VOIGT & HAEFFNER AKT.-GES.
发明人
分类号
F24C15/10
主分类号
F24C15/10
代理机构
代理人
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