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发明名称
Sectional key plug for locks
摘要
申请公布号
US1892419(A)
申请公布日期
1932.12.27
申请号
US19290385279
申请日期
1929.08.12
申请人
FRANK E. BEST, INC.
发明人
BEST FRANK ELLISON
分类号
E05B27/00;E05B63/00
主分类号
E05B27/00
代理机构
代理人
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