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经营范围
发明名称
AUTOMATIC TELEPHONE SYSTEMS
摘要
申请公布号
IE22117(L)
申请公布日期
1953.02.04
申请号
IE19520000353
申请日期
1952.08.05
申请人
NV PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H04Q3/06;(IPC1-7):H04Q3/06
主分类号
H04Q3/06
代理机构
代理人
主权项
地址
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