Variable auxiliary exhaust means,申请号US19380244578-传众专利搜索

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发明名称	Variable auxiliary exhaust means
摘要
申请公布号	US2176257(A)	申请公布日期	1939.10.17
申请号	US19380244578	申请日期	1938.12.08
申请人	GOODFELLOW FRANK A	发明人	GOODFELLOW FRANK A.
分类号	F23L17/16	主分类号	F23L17/16
代理机构		代理人
主权项
地址

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