办公椅|沙特标准|SASO-ISO-21015
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办公椅|沙特标准|SASO-ISO-21015
SASO-ISO-21015
Office furniture - Office work chairs - Test methods for the determination of stability, strength and durability
办公家具-办公椅-测定稳定性,强度和耐久性的试验方法
SASO-ISO-21015
Office furniture - Office work chairs - Test methods for the determination of stability, strength and durability
办公家具-办公椅-测定稳定性,强度和耐久性的试验方法
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