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经营范围
发明名称
Boulon destiné au soutènement des parois rocheuses
摘要
申请公布号
FR91731(E)
申请公布日期
1968.08.02
申请号
FR19670092077
申请日期
1967.01.23
申请人
发明人
TALOBRE JOSEPH-ANTOINE
分类号
E21D21/00
主分类号
E21D21/00
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代理人
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