Conveyor belts with textile plies for coalmining - Permanent joints for belts with one or two plies; dimensions, requirements, markingdoi:DIN 22121
AEROSOL CONTAINERS. AEROSOL CONTAINERS IN ALUMINIUM AND ALLOYD. TOLERANCES OF THE FUNDAMENTAL DIMENSIONSdoi:UNE 49353:1986
SOUND SYSTEM EQUIPMENT. CIRCULAR AND ELLIPTICAL LOUDSPEAKERS; OUTER FRAME DIAMETERS AND MOUNTING DIMENSIONS国外-国外国家-西班牙标准化学会 ES-AENORdoi:UNE 20502-14:1985