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发明名称
Line lockout circuit
摘要
申请公布号
US3378642(A)
申请公布日期
1968.04.16
申请号
US19640388426
申请日期
1964.08.10
申请人
NORTHERN ELECTRIC COMPANY LIMITED
发明人
GAGNIER REAL;KENEDI ROBERT;KLASSEN WILLIAM C.
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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