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China GB Standards List

 GB/T 11362-2021  
Synchronous belt drives—Calculation of power rating and drive center distance with belts pitch codes MXL,XXL,XL,L,H,XH and XXH

同步带传动 节距型号MXL,XXL,XL,L,H,XH和XXH梯形齿同步带额定功率和传动中心距计算
 GB/T 5755-2021  
Steel cord conveyor belts—Cord-to-coating bond test—Initial test and after thermal treatment

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

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