Reducing and cutoff valve for heating systems,申请号US19470794471-传众专利搜索

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法人/股东/高管

发明名称	Reducing and cutoff valve for heating systems
摘要
申请公布号	US2561316(A)	申请公布日期	1951.07.17
申请号	US19470794471	申请日期	1947.12.30
申请人	ANNA F. WHEELER	发明人	ROGERS ALDEN
分类号	F16K11/16;F24D19/10	主分类号	F16K11/16
代理机构		代理人
主权项
地址

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