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发明名称
Soutènement de taille
摘要
申请公布号
FR1051869(A)
申请公布日期
1954.01.19
申请号
FRD1051869
申请日期
1952.02.28
申请人
DE DIRECTIE VAN DE STAATSMIJNEN IN LIMBURG, AGISSANT POUR ET AU NOM DE L'ETAT NEERLANDAIS
发明人
分类号
E21D17/086
主分类号
E21D17/086
代理机构
代理人
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