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发明名称
CODED KEY SWITCHING SYSTEM
摘要
申请公布号
US3596250(A)
申请公布日期
1971.07.27
申请号
USD3596250
申请日期
1968.12.23
申请人
H.O. BOHME INC.
发明人
BRUCE S. SEDLEY
分类号
G07C9/00;(IPC1-7):H04Q1/32
主分类号
G07C9/00
代理机构
代理人
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