SYSTEM FOR INDICATING EMPTY CONDITION OF FIRE EXTINGUISHERS,申请号PL19850252875-传众专利搜索

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发明名称	SYSTEM FOR INDICATING EMPTY CONDITION OF FIRE EXTINGUISHERS
摘要
申请公布号	PL147836(B1)	申请公布日期	1989.08.31
申请号	PL19850252875	申请日期	1985.04.11
申请人		发明人
分类号	A62C;G08B;G08B17/00;G08B17/06;(IPC1-7):A62C37/24	主分类号	A62C
代理机构		代理人
主权项
地址

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