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发明名称
Polarisiertes Relais
摘要
申请公布号
DE1021075(B)
申请公布日期
1957.12.19
申请号
DE1954B031296
申请日期
1954.06.04
申请人
NILS KNUT EDVARD BERGLUND
发明人
BERGLUND NILS KNUT EDVARD
分类号
H01H50/16;H01H51/22
主分类号
H01H50/16
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