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Publication of FR462820ApublicationCriticalpatent/FR462820A/fr
B66B17/14—Applications of loading and unloading equipment
B66B17/16—Applications of loading and unloading equipment for loading and unloading mining-hoist cars or cages
B66B17/20—Applications of loading and unloading equipment for loading and unloading mining-hoist cars or cages by moving vehicles into, or out of, the cars or cages
FR462820D1913-09-201913-09-20Dispositif pour réaliser l'échange des berlines dans les puits d'extraction
ExpiredFR462820A
(fr)