Improvements in or relating to means for feeding powder from hoppers and the like,申请号GB19490015710-传众专利搜索

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发明名称	Improvements in or relating to means for feeding powder from hoppers and the like
摘要
申请公布号	GB662284(A)	申请公布日期	1951.12.05
申请号	GB19490015710	申请日期	1949.06.13
申请人	JOHN FREDERICK WILLIAMS	发明人
分类号	A01C15/04;A01M9/00	主分类号	A01C15/04
代理机构		代理人
主权项
地址

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