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发明名称
Reversible die block
摘要
申请公布号
US3222973(A)
申请公布日期
1965.12.14
申请号
US19640374322
申请日期
1964.06.11
申请人
LANG RICHARD E
发明人
LANG RICHARD E.
分类号
B21D28/24
主分类号
B21D28/24
代理机构
代理人
主权项
地址
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