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发明名称
LASTUMSCHALTER FUER EINEN STUFENSCHALTER EINES TRANSFORMATORS
摘要
申请公布号
DE2120679(B2)
申请公布日期
1977.03.31
申请号
DE19712120679
申请日期
1971.04.27
申请人
发明人
分类号
B23K9/028;H01F29/04;(IPC1-7):H01F29/04
主分类号
B23K9/028
代理机构
代理人
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地址
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