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发明名称
Self-cutting key structure
摘要
申请公布号
US3399910(A)
申请公布日期
1968.09.03
申请号
US19640360547
申请日期
1964.04.17
申请人
HENRY PRATT COMPANY
发明人
FAWKES DONALD G.
分类号
B23D3/02;F16B3/00;F16B21/10;F16B21/20
主分类号
B23D3/02
代理机构
代理人
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地址
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