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发明名称
Hydraulic cushion and return device for dies
摘要
申请公布号
US3171640(A)
申请公布日期
1965.03.02
申请号
US19610159701
申请日期
1961.12.15
申请人
PERRONE JAMES V
发明人
PERRONE JAMES V.
分类号
B21D24/02
主分类号
B21D24/02
代理机构
代理人
主权项
地址
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