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经营范围
发明名称
Installation téléphonique.
摘要
申请公布号
CH235875(A)
申请公布日期
1944.12.31
申请号
CHD235875
申请日期
1939.06.13
申请人
ASSOCIATED ELECTRIC LABORATORIES INC.
发明人
INC. ASSOCIATED ELECTRIC LABORATORIES
分类号
H04M15/04;H04Q3/00;H04Q3/42
主分类号
H04M15/04
代理机构
代理人
主权项
地址
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