STATUS CHECKING METHOD IN STARTING STAGE FOR DOUBLING RELAY LINE CONTROL,申请号KR1019900022857-传众专利搜索

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发明名称	STATUS CHECKING METHOD IN STARTING STAGE FOR DOUBLING RELAY LINE CONTROL
摘要
申请公布号	KR1019930007239(B1)	申请公布日期	1993.08.04
申请号	KR1019900022857	申请日期	1990.12.31
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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