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发明名称
METHOD OF ROLLING ARTICLES WITH INNER HELICAL RINGS
摘要
申请公布号
SU1480944(A1)
申请公布日期
1989.05.23
申请号
SU19874271454
申请日期
1987.06.29
申请人
CH POLT I IM.LENINSKOGO KOMSOMOLA
发明人
SERDEGA YURIJ P,SU;DERYABIN VLADIMIR D,SU;SYCHEV PAVEL M,SU
分类号
B21H3/08
主分类号
B21H3/08
代理机构
代理人
主权项
地址
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