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发明名称
Dispositif pour le réglage hydraulique automatique de la marche des machines d'extraction
摘要
申请公布号
FR52640(E)
申请公布日期
1945.05.02
申请号
FRD52640
申请日期
1942.12.19
申请人
BROWN, BOVERI & COMPAGNIE
发明人
分类号
B66B1/12
主分类号
B66B1/12
代理机构
代理人
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