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发明名称
Приспособление для автоматического перевода железнодорожных стрелок
摘要
申请公布号
SU15111(A1)
申请公布日期
1930.04.30
申请号
SU19290039962
申请日期
1929.02.01
申请人
VINOGRADOV S.M.
发明人
VINOGRADOV S.M.
分类号
B61L11/02
主分类号
B61L11/02
代理机构
代理人
主权项
地址
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