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ISO 21178:2013WithdrawnLight conveyor belts — Determination of electrical resistancesISO 21178:2005WithdrawnLight conveyor belts — Determination of electrical resistancesISO 21179:2005WithdrawnLight conveyor belts — Determination of the electrostatic field generated by a running light conveyor beltISO 21180:2005WithdrawnLight conveyor belts — Determination of the maximum tensile strengthISO 21181:2005WithdrawnLight conveyor belts — Determination of the relaxed elastic modulusISO 21182:2013WithdrawnLight conveyor belts — Determination of the coefficient of frictionISO 21182:2005WithdrawnLight conveyor belts — Determination of the coefficient of friction