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发明名称
Устройство для включения электрически централизованной стрелки
摘要
申请公布号
SU31997(A1)
申请公布日期
1933.09.30
申请号
SU19310087829
申请日期
1931.05.04
申请人
KOGONZON G.M.;LINKOV YA.I.
发明人
KOGONZON G.M.;LINKOV YA.I.
分类号
B61L7/08
主分类号
B61L7/08
代理机构
代理人
主权项
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