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发明名称
CHANGE-OVER SWITCH
摘要
申请公布号
PL243541(A1)
申请公布日期
1985.02.27
申请号
PL19830243541
申请日期
1983.08.25
申请人
TELKOM TELFA
发明人
KACZMAREK ALEKSANDER
分类号
H01H;H01H13/28;(IPC1-7):H01H/
主分类号
H01H
代理机构
代理人
主权项
地址
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