Improvements in and relating to apparatus for grading materials into different sizes,申请号GB19320003488-传众专利搜索

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发明名称	Improvements in and relating to apparatus for grading materials into different sizes
摘要
申请公布号	GB396748(A)	申请公布日期	1933.08.08
申请号	GB19320003488	申请日期	1932.02.05
申请人	JAMES ALEXANDER COOK	发明人
分类号	B07B1/08	主分类号	B07B1/08
代理机构		代理人
主权项
地址

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