Improvements in tools for the production of templates,申请号GB19400010148-传众专利搜索

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发明名称	Improvements in tools for the production of templates
摘要
申请公布号	GB541880(A)	申请公布日期	1941.12.16
申请号	GB19400010148	申请日期	1940.06.11
申请人	JOHN HENRY BARDSLEY;HOWARD FRANCIS POWELL	发明人
分类号	B25H7/02	主分类号	B25H7/02
代理机构		代理人
主权项
地址

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