Improvements in devices for cutting circular holes, discs, washers or the like,申请号GB19330027969-传众专利搜索

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发明名称	Improvements in devices for cutting circular holes, discs, washers or the like
摘要
申请公布号	GB423259(A)	申请公布日期	1935.01.29
申请号	GB19330027969	申请日期	1933.10.11
申请人	WILLIAM ARTHUR SMITH;FREDERICK WILLIAM FRANCIS	发明人
分类号	B23B51/04	主分类号	B23B51/04
代理机构		代理人
主权项
地址

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