,申请号JP19730010708-传众专利搜索

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法人/股东/高管

发明名称
摘要	Helical gears are rolled to improve tooth surfaces and in the same operation have the acute end corners of the teeth chamfered. The chamfering precedes finish rolling so as to avoid displacement of metal above the tooth profile.
申请公布号	JPS55141(B2)	申请公布日期	1980.01.05
申请号	JP19730010708	申请日期	1973.01.27
申请人		发明人
分类号	B21H5/00;B21H5/02;B23F19/10	主分类号	B21H5/00
代理机构		代理人
主权项
地址

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