DEVICE FOR WASTE GAS FLOW CONTROL IN CENTRAL HEATING WATER BOILER HEATED WITH GAS,申请号PL19860259695-传众专利搜索

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发明名称	DEVICE FOR WASTE GAS FLOW CONTROL IN CENTRAL HEATING WATER BOILER HEATED WITH GAS
摘要
申请公布号	PL152327(B1)	申请公布日期	1990.12.31
申请号	PL19860259695	申请日期	1986.05.22
申请人		发明人
分类号	F23N3/04;F24H9/20;G05D7/03;(IPC1-7):F23N3/04	主分类号	F23N3/04
代理机构		代理人
主权项
地址

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