Building hardware. Corrosion resistance. Requirements and test methods.

建筑五金。腐蚀抗性。要求和试验方法。

youdao

Building hardware - Door and window bolts - Requirements and test methods.

建筑物五金。门窗螺栓。要求和试验方法。

youdao

Building hardware - Door and window bolts - Requirements and test methods.

建筑物五金。门窗螺栓。要求和试验方法。

youdao