SIGNALLING DEVICES FOR LETTER BOX,申请号KR19870023353U-传众专利搜索

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发明名称	SIGNALLING DEVICES FOR LETTER BOX
摘要
申请公布号	KR900002979(Y1)	申请公布日期	1990.04.10
申请号	KR19870023353U	申请日期	1987.12.28
申请人	SEWON G.M. CO.LTD.	发明人	RYU CHUL
分类号	A47G29/30;(IPC1-7):A47G29/30	主分类号	A47G29/30
代理机构		代理人
主权项
地址

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