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经营范围
发明名称
Устройство для выравнивания балласта
摘要
申请公布号
SU39793(A1)
申请公布日期
1934.11.30
申请号
SU19330136916
申请日期
1933.03.25
申请人
ALESHIN V.A.;BARYKIN F.D.;BELOGORTSEV P.G.
发明人
ALESHIN V.A.;BARYKIN F.D.;BELOGORTSEV P.G.
分类号
E01B27/02
主分类号
E01B27/02
代理机构
代理人
主权项
地址
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