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发明名称
Dispositif d'ancrage pour le soutènement d'excavations souterraines
摘要
申请公布号
FR1250852(A)
申请公布日期
1961.01.13
申请号
FR19600819236
申请日期
1960.02.22
申请人
发明人
JASPER KARL THEODOR
分类号
E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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