Barometric draft regulator,申请号US19510213985-传众专利搜索

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发明名称	Barometric draft regulator
摘要
申请公布号	US2671615(A)	申请公布日期	1954.03.09
申请号	US19510213985	申请日期	1951.03.05
申请人	FIELD EDWARD A	发明人	FIELD EDWARD A.
分类号	F23L13/02	主分类号	F23L13/02
代理机构		代理人
主权项
地址

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