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摘要
申请公布号
BE607584(A5)
申请公布日期
1962.02.28
申请号
BE19610607584
申请日期
1961.08.28
申请人
BELL TELEPHONE MANUFACTURING COMPANY, NAAMLOZE VENNOOTSCHAP
发明人
S. SIMON
分类号
H04Q1/38;(IPC1-7):H04M
主分类号
H04Q1/38
代理机构
代理人
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