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发明名称
Appareillage pour la fixation de boulons d'ancrage
摘要
申请公布号
FR1122732(A)
申请公布日期
1956.09.12
申请号
FRD1122732
申请日期
1955.04.15
申请人
AKTIEBOLAGET ATLAS DIESEL
发明人
分类号
E21B6/06;E21D20/00
主分类号
E21B6/06
代理机构
代理人
主权项
地址
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