Improvements in and relating to gear wheel teeth,申请号GB19390020028-传众专利搜索

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发明名称	Improvements in and relating to gear wheel teeth
摘要
申请公布号	GB531027(A)	申请公布日期	1940.12.27
申请号	GB19390020028	申请日期	1939.07.10
申请人	DEUTSCHE NILES WERKE AKTIENGESELLSCHAFT	发明人
分类号	B23F5/02;B23F21/02;B23F23/12	主分类号	B23F5/02
代理机构		代理人
主权项
地址

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