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MINES DE LENS SOC D
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MINES DE LENS SOC D
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Application filed by MINES DE LENS SOC DfiledCriticalMINES DE LENS SOC D
Application grantedgrantedCritical
Publication of FR559077ApublicationCriticalpatent/FR559077A/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
FR559077D1922-11-241922-11-24Dispositif d'équilibrage hydraulique pour accrochage à double recette
ExpiredFR559077A
(fr)