Method of and apparatus for finishing helical surfaces,申请号US19320607808-传众专利搜索

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发明名称	Method of and apparatus for finishing helical surfaces
摘要
申请公布号	US2122803(A)	申请公布日期	1938.07.05
申请号	US19320607808	申请日期	1932.04.27
申请人	THE LEES-BRADNER COMPANY	发明人	SCHURR CHARLES H.
分类号	B21H5/02	主分类号	B21H5/02
代理机构		代理人
主权项
地址

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