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发明名称
SPEECH COMPRESSION DEVICE
摘要
申请公布号
US3495042(A)
申请公布日期
1970.02.10
申请号
USD3495042
申请日期
1967.05.22
申请人
ARTHUR D. LITTLE INC.
发明人
REED H. JOHNSTON
分类号
H04B1/66;(IPC1-7):H04B1/66
主分类号
H04B1/66
代理机构
代理人
主权项
地址
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