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发明名称
Audio frequency pulse generator
摘要
申请公布号
US2722606(A)
申请公布日期
1955.11.01
申请号
US19500204662
申请日期
1950.12.12
申请人
ALLEN OLLIE J
发明人
ALLEN OLLIE J.
分类号
H04W84/02
主分类号
H04W84/02
代理机构
代理人
主权项
地址
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