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经营范围
发明名称
Improvements in or relating to Telephone Systems.
摘要
申请公布号
GB1175198(A)
申请公布日期
1969.12.23
申请号
GB19660057426
申请日期
1966.12.22
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
EUGENE DANIEL MASUCCI
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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