METHOD OF STEPWISE REDUCTION OF BILLETS HAVING VARIABLE RADIUS IN ROLLS,申请号SU19874293589-传众专利搜索

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发明名称	METHOD OF STEPWISE REDUCTION OF BILLETS HAVING VARIABLE RADIUS IN ROLLS
摘要
申请公布号	SU1488039(A1)	申请公布日期	1989.06.23
申请号	SU19874293589	申请日期	1987.08.03
申请人	CH POLT I IM.LENINSKOGO KOMSOMOLA	发明人	VYDRIN VLADIMIR N,SU;KOVAL GRIGORIJ I,SU
分类号	B21B1/42;B21B13/18	主分类号	B21B1/42
代理机构		代理人
主权项
地址

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