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发明名称
Time interval circuit
摘要
申请公布号
US2567473(A)
申请公布日期
1951.09.11
申请号
US19460716038
申请日期
1946.12.13
申请人
ALLEN-BRADLEY COMPANY
发明人
DAWE ALBERT J.
分类号
H04M3/12
主分类号
H04M3/12
代理机构
代理人
主权项
地址
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