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发明名称
Improvements in or relating to electric equipment for pulse signalling systems
摘要
申请公布号
GB973089(A)
申请公布日期
1964.10.21
申请号
GB19610039841
申请日期
1961.11.07
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
INGRAM DEREK GEORGE WOODWARD
分类号
H03M1/00
主分类号
H03M1/00
代理机构
代理人
主权项
地址
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