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经营范围
发明名称
Steel dam
摘要
申请公布号
US2033027(A)
申请公布日期
1936.03.03
申请号
US19340741310
申请日期
1934.08.24
申请人
JAROSLAV FULTNER;GREGORJEVITCH KRIVOSHEIN GREGO;JOSEF SEKLA
发明人
FULTNER JAROSLAV;KRIVOSHEIN GREGORY GREGORJEVITCH;SEKLA JOSEF
分类号
E02B7/14
主分类号
E02B7/14
代理机构
代理人
主权项
地址
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