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发明名称
DEVICE FOR BALL ROLLING OF A SURFACE WITH COPYING SHAPE AND WITH VARIABLE COMPRESSIVE FORCE OF A BALL
摘要
申请公布号
SK97698(A3)
申请公布日期
2000.05.16
申请号
SK19980000976
申请日期
1998.07.16
申请人
CHUDOBA JAN
发明人
CHUDOBA JAN
分类号
B21B19/10;B21B45/00;(IPC1-7):B21B45/00
主分类号
B21B19/10
代理机构
代理人
主权项
地址
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