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发明名称
Hydraulic blank holder
摘要
申请公布号
US2305336(A)
申请公布日期
1942.12.15
申请号
US19390268961
申请日期
1939.04.20
申请人
E. W. BLISS COMPANY
发明人
WILLIAMSON LARKIN R.
分类号
B21D24/14
主分类号
B21D24/14
代理机构
代理人
主权项
地址
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