SPEAK APPARATUS OF A GAS MASK,申请号KR19990028612U-传众专利搜索

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发明名称	SPEAK APPARATUS OF A GAS MASK
摘要
申请公布号	KR200184416(Y1)	申请公布日期	2000.06.01
申请号	KR19990028612U	申请日期	1999.12.17
申请人	LIM, DAE HWAN	发明人	LIM, DAE HWAN
分类号	A62B18/00;A62B18/08;(IPC1-7):A62B18/00	主分类号	A62B18/00
代理机构		代理人
主权项
地址

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