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发明名称
PRUEFEINRICHTUNG FUER FEHLERSPANNUNGSSCHUTZSCHALTER.
摘要
申请公布号
DE1724455(U)
申请公布日期
1956.06.21
申请号
DE195500B1295U
申请日期
1955.03.19
申请人
GEBR. BERKER UND FA. ALBRECHT JUNG
发明人
分类号
H01H69/00
主分类号
H01H69/00
代理机构
代理人
主权项
地址
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