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经营范围
发明名称
Dispositif de dégagement pour étançons ou coffres mobiles
摘要
申请公布号
FR862631(A)
申请公布日期
1941.03.11
申请号
FRD862631
申请日期
1939.12.29
申请人
发明人
HAARMANN ARNOLD
分类号
E21D15/60
主分类号
E21D15/60
代理机构
代理人
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