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经营范围
发明名称
Dispositif de freinage pour treuils au moyen d'un ventilateur
摘要
申请公布号
FR855852(A)
申请公布日期
1940.05.22
申请号
FRD855852
申请日期
1939.02.06
申请人
LABORATOIRE D'ETUDES MECANIQUES
发明人
分类号
B66D5/00
主分类号
B66D5/00
代理机构
代理人
主权项
地址
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