GB/T 33510-2017耐热橡胶覆盖层输送带覆盖层的耐热性要求和试验方法国家标准
英文:Conveyor belts with heat-resistant rubber covers—Heat resistance of covers—Requirements and test methods GB/T 33510-2...
英文:Conveyor belts with heat-resistant rubber covers—Heat resistance of covers—Requirements and test methods GB/T 33510-2...