SAFETY DEVICE FOR FLOOR OPENING,申请号KR1019920018750-传众专利搜索

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发明名称	SAFETY DEVICE FOR FLOOR OPENING
摘要
申请公布号	KR1019950004835(B1)	申请公布日期	1995.05.13
申请号	KR1019920018750	申请日期	1992.10.12
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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