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发明名称
SWITCHING MATRIX RELEASE DELAY CIRCUIT
摘要
申请公布号
US3601548(A)
申请公布日期
1971.08.24
申请号
USD3601548
申请日期
1969.10.20
申请人
GTE AUTOMATIC ELECTRIC LABORATORIES INC.
发明人
JOHANNES DRAAYER
分类号
H04Q3/54;(IPC1-7):H04Q3/42
主分类号
H04Q3/54
代理机构
代理人
主权项
地址
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