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发明名称
VOICE SIGNAL TRANSMISSION SYSTEM
摘要
申请公布号
JPS57157647(A)
申请公布日期
1982.09.29
申请号
JP19810198688
申请日期
1981.12.11
申请人
INTERN BUSINESS MACHINES CORP
发明人
JIYAN POORU BEROORU;KUROODO GIYARAN
分类号
H04B1/66;H04B3/20;H04B14/04
主分类号
H04B1/66
代理机构
代理人
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地址
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