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发明名称
Сигнальный прибор для железных дорог, действующий взрывами
摘要
申请公布号
SU57456(A1)
申请公布日期
1939.11.30
申请号
SU19390002117
申请日期
1939.05.19
申请人
POGORELOV S.A.
发明人
POGORELOV S.A.
分类号
B61L5/20
主分类号
B61L5/20
代理机构
代理人
主权项
地址
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