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发明名称
Die holder
摘要
申请公布号
US2700906(A)
申请公布日期
1955.02.01
申请号
US19500192900
申请日期
1950.10.30
申请人
CAMERON IRON WORKS, INC.
发明人
ALLEN HERBERT
分类号
B21J13/02
主分类号
B21J13/02
代理机构
代理人
主权项
地址
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