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发明名称
Appareil de boulonnage
摘要
申请公布号
FR1359297(A)
申请公布日期
1964.04.24
申请号
FR19636943430
申请日期
1963.03.13
申请人
发明人
CHAPPUIS LOUIS, LAURENT
分类号
E21D20/00
主分类号
E21D20/00
代理机构
代理人
主权项
地址
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