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发明名称
Spiral-screw tool for diagonal ball rolling
摘要
申请公布号
PL222131(B1)
申请公布日期
2016.07.29
申请号
PL20120398914
申请日期
2012.04.23
申请人
POLITECHNIKA LUBELSKA
发明人
PATER ZBIGNIEW;TOMCZAK JANUSZ
分类号
B21B27/02;B21H1/14;B21H8/02
主分类号
B21B27/02
代理机构
代理人
主权项
地址
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