Method of producing a pair of rings from a substantially circular blank,申请号US19610159115-传众专利搜索

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发明名称	Method of producing a pair of rings from a substantially circular blank
摘要
申请公布号	US3233307(A)	申请公布日期	1966.02.08
申请号	US19610159115	申请日期	1961.12.13
申请人	AKTIEBOLAGET SVENSKA KULLAGERFABRIKEN	发明人	KARRBERG GUSTAF HERMAN;DERMAN KARL GUSTAV EINAR
分类号	B21K1/04	主分类号	B21K1/04
代理机构		代理人
主权项
地址

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