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E02F7/00—Equipment for conveying or separating excavated material
E02F7/10—Pipelines for conveying excavated materials
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FR977584D1942-08-181942-08-18Perfectionnements apportés aux procédés pour l'extraction et le transport des déblais, notamment à l'aide d'excavateurs
ExpiredFR977584A
(fr)
Perfectionnements apportés aux garnitures pour poulies à câbles métalliques, plus spécialement des poulies d'entraînement utilisées pour le transport dans les mines