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经营范围
发明名称
Elektrische Fernmeldeanlage.
摘要
申请公布号
CH231614(A)
申请公布日期
1944.03.31
申请号
CHD231614
申请日期
1936.11.21
申请人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
发明人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
分类号
H04M1/515
主分类号
H04M1/515
代理机构
代理人
主权项
地址
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