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经营范围
发明名称
Система двухсторонней автоблокировки
摘要
申请公布号
SU78053(A1)
申请公布日期
1948.11.30
申请号
SU19460348573
申请日期
1946.10.14
申请人
BRYLEEV A.M.;FONAREV I.M.
发明人
BRYLEEV A.M.;FONAREV I.M.
分类号
B61L23/30
主分类号
B61L23/30
代理机构
代理人
主权项
地址
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