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发明名称
élément de soutènement coulissant pour l'étayage de galeries souterraines
摘要
申请公布号
FR74909(E)
申请公布日期
1961.03.03
申请号
FR19590785855
申请日期
1959.02.05
申请人
AUGUST THYSSEN-HUETTE AKTIENGESELLSCHAFT
发明人
分类号
E21D11/18
主分类号
E21D11/18
代理机构
代理人
主权项
地址
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