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发明名称
Conference synchronizing system
摘要
申请公布号
US3387095(A)
申请公布日期
1968.06.04
申请号
US19650447822
申请日期
1965.04.13
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MILLER RALPH L.;JR. WILLIAM RAE YOUNG,
分类号
H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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