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发明名称
Приспособление для автоматических и полуавтоматических телефонных установок
摘要
申请公布号
SU43595(A1)
申请公布日期
1935.06.30
申请号
SU19290054166
申请日期
1929.09.06
申请人
TELEFONNOE AKTS. O-VO L. M. ERIKSON
发明人
K.E.I. NILSON;D.L. LILIENSEN
分类号
H01H67/18
主分类号
H01H67/18
代理机构
代理人
主权项
地址
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