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发明名称
Dispositif pour l'extraction de blocs, dalles, ou similaires, dans les carrières, mines ou autres
摘要
申请公布号
FR947020(A)
申请公布日期
1949.06.21
申请号
FRD947020
申请日期
1947.05.12
申请人
发明人
MARCEROU PAUL
分类号
B23Q1/00;B25B1/24;B28D1/04;E21C25/58
主分类号
B23Q1/00
代理机构
代理人
主权项
地址
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