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发明名称
Circuit de commutation
摘要
申请公布号
CH325317(A)
申请公布日期
1957.10.31
申请号
CHD325317
申请日期
1953.02.13
申请人
STANDARD TELEPHONE ET RADIO S. A.
发明人
HARRY BRAY,FREDERICK;GEORGE KNIGHT,RONALD;CLIFFORD HARTLEY,GEORGE
分类号
H01J17/48;H03K17/52;H04Q3/52
主分类号
H01J17/48
代理机构
代理人
主权项
地址
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