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发明名称
Electrical code translators
摘要
申请公布号
US2997705(A)
申请公布日期
1961.08.22
申请号
US19580747889
申请日期
1958.07.11
申请人
ERICSSON TELEPHONES LIMITED
发明人
FREEDMAN ARYE L.
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
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