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发明名称
éléments faisant partie d'une série de formats de pièces pour constituer des cadres de soutènement circulaires à glissement et en trois parties
摘要
申请公布号
FR1097866(A)
申请公布日期
1955.07.12
申请号
FRD1097866
申请日期
1954.04.07
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
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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