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发明名称
Приспособление для работы при выполнении скрещиваний воздушных проводов, например, телефонных
摘要
申请公布号
SU22118(A1)
申请公布日期
1931.08.31
申请号
SU19290049732
申请日期
1929.06.21
申请人
ZHELTYAKOV P.D.
发明人
ZHELTYAKOV P.D.
分类号
H02G7/20
主分类号
H02G7/20
代理机构
代理人
主权项
地址
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