Improvements in or relating to sifting devices,申请号GB19470031350-传众专利搜索

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发明名称	Improvements in or relating to sifting devices
摘要
申请公布号	GB631087(A)	申请公布日期	1949.10.26
申请号	GB19470031350	申请日期	1947.11.26
申请人	ERIC HERBERT LANGE	发明人
分类号	F24B15/00	主分类号	F24B15/00
代理机构		代理人
主权项
地址

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