Boiler feed recycling valve combined with a boiler water level control valve,申请号US19470762310-传众专利搜索

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发明名称	Boiler feed recycling valve combined with a boiler water level control valve
摘要
申请公布号	US2542624(A)	申请公布日期	1951.02.20
申请号	US19470762310	申请日期	1947.07.21
申请人	JOHN CAMPBELL H	发明人	CAMPBELL H. JOHN
分类号	F22D11/00	主分类号	F22D11/00
代理机构		代理人
主权项
地址

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