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发明名称
Ролик с автоматической смазкой, служащей для поддержки проволочных тяг в централизационных устройствах стрелок и сигналов
摘要
申请公布号
SU39823(A1)
申请公布日期
1934.11.30
申请号
SU19340140200
申请日期
1934.01.08
申请人
EVDOKIMOV A.E.
发明人
EVDOKIMOV A.E.
分类号
F16N7/24
主分类号
F16N7/24
代理机构
代理人
主权项
地址
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