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发明名称
RESISTANCE RELAY WITH TETRAGONAL CHARACTERISTIC
摘要
申请公布号
SU660145(A1)
申请公布日期
1979.04.30
申请号
SU19742026388
申请日期
1974.05.21
申请人
LE POLT I IM M.I.KALININA
发明人
VANIN VALERIJ K,SU;SAFONOV ALEKSANDR ,SU
分类号
H02H3/38;(IPC1-7):H02H3/38
主分类号
H02H3/38
代理机构
代理人
主权项
地址
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