
Conveyor and elevator belting. Specification for flammability and anti-static properties of rubber and of plastics conveyor belting of textile construction for general use
出版:British Standards Institution

专家解读视频
Conveyor and elevator belting. Specification for flammability and anti-static properties of rubber and of plastics conveyor belting of textile construction for general use
出版:British Standards Institution
专家解读视频