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发明名称
DOOR SWITCH CIRCUIT FOR ELECTRIC RAILROAD CAR
摘要
申请公布号
KR890004733(Y1)
申请公布日期
1989.07.20
申请号
KR19860020004U
申请日期
1986.12.13
申请人
DAEWOO HEAVY IND. CO. LTD.
发明人
LEE BO-YONG
分类号
B61D19/00;(IPC1-7):B61D19/00
主分类号
B61D19/00
代理机构
代理人
主权项
地址
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