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DIN 22131-1 [Withdrawn] references following documents:

Document number Edition Title
DIN 22107 1984-08 Continous mechanical handling equipment; idler sets for belt conveyors for loose bulk materials; principal dimensions More 
DIN 22129-1 1988-02 Steel cord conveyor belts for underground coalmining; dimensions, requirements More 
DIN 22129-2 1988-02 Steelcord conveyor belts for underground coalmining; marking More 
DIN 22129-3 1988-02 Steelcord conveyor belts for underground coalmining; testing More