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发明名称
METHOD OF INCREASING FRICTION FORCES PRODUCED BETWEEN FRICTION ROLLERS AND A WORKPIECE
摘要
申请公布号
PL240967(A1)
申请公布日期
1983.11.21
申请号
PL19830240967
申请日期
1983.03.10
申请人
HEGENSCHEIDT GMBH WILHELM
发明人
WITTKOPP HELMUT;BERSTEIN GARRJ
分类号
B23B5/12;(IPC1-7):B23B/
主分类号
B23B5/12
代理机构
代理人
主权项
地址
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