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发明名称
Быстродействующее устройство для опускания штанг токоприемников
摘要
申请公布号
SU82851(A1)
申请公布日期
1949.11.30
申请号
SU19480379550
申请日期
1948.02.14
申请人
KARPOV N.A.
发明人
KARPOV N.A.
分类号
B60L5/14
主分类号
B60L5/14
代理机构
代理人
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