Grain drier and valve therefor,申请号US19570689884-传众专利搜索

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发明名称	Grain drier and valve therefor
摘要
申请公布号	US2946132(A)	申请公布日期	1960.07.26
申请号	US19570689884	申请日期	1957.10.14
申请人	O. B. ARMSTRONG AND SONS COMPANY	发明人	ARMSTRONG GEORGE W.
分类号	F26B17/14;F26B25/00	主分类号	F26B17/14
代理机构		代理人
主权项
地址

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