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发明名称
Soutènement coulissant pour une galerie de mine
摘要
申请公布号
FR1442070(A)
申请公布日期
1966.06.10
申请号
FR19650027044
申请日期
1965.08.03
申请人
STAMICARBON N. V.
发明人
分类号
E21D11/18;E21D15/18
主分类号
E21D11/18
代理机构
代理人
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地址
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