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发明名称
SIGNAL TIME COMPRESSION SYSTEM
摘要
申请公布号
US3424899(A)
申请公布日期
1969.01.28
申请号
USD3424899
申请日期
1965.08.11
申请人
BELL TELEPHONE LAB. INC.
发明人
WILLIAM O. DUNNICAN;RICHARD W. LARISCH
分类号
G06G7/19;G10L21/04;(IPC1-7):G06G7/19
主分类号
G06G7/19
代理机构
代理人
主权项
地址
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