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发明名称
Serrure pour étançon de mine
摘要
申请公布号
FR1175413(A)
申请公布日期
1959.03.26
申请号
FRD1175413
申请日期
1956.04.28
申请人
发明人
VIGNOT LOUIS-FRANCOIS-ALEXI
分类号
E21D15/32
主分类号
E21D15/32
代理机构
代理人
主权项
地址
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