Improvements in machines for grinding valves of the mushroom or poppet type,申请号GB19330005212-传众专利搜索

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发明名称	Improvements in machines for grinding valves of the mushroom or poppet type
摘要
申请公布号	GB414443(A)	申请公布日期	1934.08.09
申请号	GB19330005212	申请日期	1933.02.20
申请人	OTTO KLEIN	发明人
分类号	B24B15/04	主分类号	B24B15/04
代理机构		代理人
主权项
地址

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