GB/T 5755-2021钢丝绳芯输送带绳与包覆胶粘合试验原始状态下和热老化后试验标准
英文:Steel cord conveyor belts—Cord-to-coating bond test—Initial test and after thermal treatment GB/T 5755-2021介绍: 国家标准《钢...
英文:Steel cord conveyor belts—Cord-to-coating bond test—Initial test and after thermal treatment GB/T 5755-2021介绍: 国家标准《钢...