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发明名称
Self-opening die head
摘要
申请公布号
US2471250(A)
申请公布日期
1949.05.24
申请号
US19450593209
申请日期
1945.05.11
申请人
THE GEOMETRIC TOOL COMPANY
发明人
STRICKLAND ROYCE M.
分类号
B23G5/12
主分类号
B23G5/12
代理机构
代理人
主权项
地址
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