Improvements in or relating to grinding articles of prismatic shape, particularly nuts,申请号GB19290013042-传众专利搜索

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发明名称	Improvements in or relating to grinding articles of prismatic shape, particularly nuts
摘要
申请公布号	GB311731(A)	申请公布日期	1930.05.15
申请号	GB19290013042	申请日期	1929.04.26
申请人	RICHARD JOPP;AUGUST JOPP;CARL JOPP	发明人
分类号	B24B7/12	主分类号	B24B7/12
代理机构		代理人
主权项
地址

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