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发明名称
Телефонный автомат для автоматических телефонных установок
摘要
申请公布号
SU35258(A1)
申请公布日期
1934.03.31
申请号
SU19300080018
申请日期
1930.12.09
申请人
STEPANOV N.I.
发明人
STEPANOV N.I.
分类号
H04M17/02
主分类号
H04M17/02
代理机构
代理人
主权项
地址
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