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发明名称
Perfectionnements aux treuils à inversion automatique
摘要
申请公布号
FR980798(A)
申请公布日期
1951.05.17
申请号
FRD980798
申请日期
1943.03.08
申请人
POUILLE FRERES
发明人
分类号
B66D1/14
主分类号
B66D1/14
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代理人
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