Air circulating device for warm air furnaces,申请号US19280315300-传众专利搜索

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发明名称	Air circulating device for warm air furnaces
摘要
申请公布号	US1823521(A)	申请公布日期	1931.09.15
申请号	US19280315300	申请日期	1928.10.26
申请人	EMIL ACKERMAN;WALTER MOWERS	发明人	ACKERMAN EMIL;MOWERS WALTER
分类号	F24H9/00	主分类号	F24H9/00
代理机构		代理人
主权项
地址

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