Rotary broaching machine,申请号US19280323689-传众专利搜索

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发明名称	Rotary broaching machine
摘要
申请公布号	US1857516(A)	申请公布日期	1932.05.10
申请号	US19280323689	申请日期	1928.12.04
申请人	PERKINS MACHINE AND GEAR COMPANY	发明人	OAKLEY JOHN
分类号	B23D37/06	主分类号	B23D37/06
代理机构		代理人
主权项
地址

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