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发明名称
CHANGE OVER SWITCH WITHOUT A POINT OF CONTACT
摘要
申请公布号
KR910002298(Y1)
申请公布日期
1991.04.06
申请号
KR19870019000U
申请日期
1987.11.03
申请人
HWANG YUNG-HA
发明人
HWANG YUNG-HA
分类号
H02J9/00;(IPC1-7):H02J9/00
主分类号
H02J9/00
代理机构
代理人
主权项
地址
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