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发明名称
Автоматическое телефонное устройство
摘要
申请公布号
SU47637(A1)
申请公布日期
1936.06.30
申请号
SU19260010600
申请日期
1926.08.30
申请人
AKTS. O-VO SIMENS I GALSKE
发明人
MAK LANGER
分类号
H04Q1/30;H04Q5/12
主分类号
H04Q1/30
代理机构
代理人
主权项
地址
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