Method of steam heating from central station mains,申请号US19310559738-传众专利搜索

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发明名称	Method of steam heating from central station mains
摘要
申请公布号	US1963735(A)	申请公布日期	1934.06.19
申请号	US19310559738	申请日期	1931.08.27
申请人	C. A. DUNHAM COMPANY	发明人	JR. DAVID N. CROSTHWAIT,
分类号	F24D1/00	主分类号	F24D1/00
代理机构		代理人
主权项
地址

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