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发明名称
Вертикальный бар
摘要
申请公布号
SU55603(A1)
申请公布日期
1938.11.30
申请号
SUD55603
申请日期
1937.02.14
申请人
KOGAN A.E.
发明人
KOGAN A.E.
分类号
E21C25/26;E21C25/24
主分类号
E21C25/26
代理机构
代理人
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地址
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