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发明名称
Installation de téléphonie.
摘要
申请公布号
CH255845(A)
申请公布日期
1948.07.15
申请号
CHD255845
申请日期
1945.03.29
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
分类号
H04Q3/00;H04Q3/58
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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