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发明名称
DEVICE FOR MOVING PRESS-DOWN SCREWS OF ROLL STAND
摘要
申请公布号
SU766685(A1)
申请公布日期
1980.09.30
申请号
SU19782668322
申请日期
1978.10.02
申请人
LIVSHITS DAVID ,SU
发明人
LIVSHITS DAVID ,SU
分类号
B21B31/20;(IPC1-7):B21B31/20
主分类号
B21B31/20
代理机构
代理人
主权项
地址
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