GAS LEAKAGE INDICATOR,申请号KR19870006931U-传众专利搜索

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发明名称	GAS LEAKAGE INDICATOR
摘要
申请公布号	KR890008729(Y1)	申请公布日期	1989.11.30
申请号	KR19870006931U	申请日期	1987.05.07
申请人	PARK CHANG-DOK	发明人	PARK CHANG-DOK
分类号	G01F23/00;(IPC1-7):G01F23/00	主分类号	G01F23/00
代理机构		代理人
主权项
地址

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