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发明名称
SOUTENEMENT DE GALERIE SOUTERRAINE A L'AIDE D'OUVRAGES EN PLUSIEURS PARTIES
摘要
申请公布号
BE787455(A1)
申请公布日期
1972.12.01
申请号
BE19720787455
申请日期
1972.08.11
申请人
BERGWERKSVERBAND G.M.B.H., FRILLENDORFER STRASSE 351, 43 ESSEN-KRAY, (ALLEMAGNE),
发明人
分类号
E21D11/08;(IPC1-7):E21D/
主分类号
E21D11/08
代理机构
代理人
主权项
地址
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