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发明名称
Predetermined counter system
摘要
申请公布号
US2669388(A)
申请公布日期
1954.02.16
申请号
US19480031231
申请日期
1948.06.05
申请人
BENJAMIN FOX
发明人
FOX BENJAMIN
分类号
H03K23/66
主分类号
H03K23/66
代理机构
代理人
主权项
地址
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