GUIDING APPARATUS FOR ELEVATING HEIGHT-CONTROLLABLE BLACKBOARD,申请号KR1019940005151-传众专利搜索

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发明名称	GUIDING APPARATUS FOR ELEVATING HEIGHT-CONTROLLABLE BLACKBOARD
摘要
申请公布号	KR1019970000541(B1)	申请公布日期	1997.01.13
申请号	KR1019940005151	申请日期	1994.03.15
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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