A machine for grinding helicoidal surfaces,申请号GB19530021144-传众专利搜索

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发明名称	A machine for grinding helicoidal surfaces
摘要
申请公布号	GB731331(A)	申请公布日期	1955.06.08
申请号	GB19530021144	申请日期	1953.07.30
申请人	NATIONAL BROACH AND MACHINE CO.	发明人
分类号	B23F1/02;B23F19/00	主分类号	B23F1/02
代理机构		代理人
主权项
地址

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