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发明名称
TELEPHONE MONITOR
摘要
申请公布号
CA891640(A)
申请公布日期
1972.01.25
申请号
CAD891640
申请日期
申请人
GOVERNMENT OF THE UNITED STATES AS REPRESENTED BYTHE SECRETARY OF THE A RMY
发明人
DUANE J. BONVALLET
分类号
H04M1/24;H04M3/30;(IPC1-7):H04M1/24
主分类号
H04M1/24
代理机构
代理人
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地址
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