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发明名称
Narrow-band telephony system
摘要
申请公布号
GB788736(A)
申请公布日期
1958.01.08
申请号
GB19550005832
申请日期
1955.02.28
申请人
JEAN CAMILLE PIERRE MARCOU;JACQUES DAGUET
发明人
分类号
H04B1/68
主分类号
H04B1/68
代理机构
代理人
主权项
地址
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