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发明名称
VOICE DIGITAL MULTIPLEXING TRANSMISSION SYSTEM
摘要
申请公布号
JPH03113926(A)
申请公布日期
1991.05.15
申请号
JP19890251106
申请日期
1989.09.27
申请人
SUMITOMO ELECTRIC IND LTD
发明人
AWAI HIROMITSU
分类号
H04J3/00;H04H20/47
主分类号
H04J3/00
代理机构
代理人
主权项
地址
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