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发明名称
MULTIPLEX SIGNAL TRANSFER CIRCUIT
摘要
申请公布号
US3521000(A)
申请公布日期
1970.07.21
申请号
USD3521000
申请日期
1967.05.22
申请人
BELL TELEPHONE LAB. INC.
发明人
HERBERT S. FEDER
分类号
H01J1/00;H04J3/00;H04Q11/04;(IPC1-7):H04J3/00
主分类号
H01J1/00
代理机构
代理人
主权项
地址
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