GB/T 40168-2021瓦楞芯纸实验室起楞后边压强度的测定标准
英文:Corrugating medium—Determination of the edge crush resistance after laboratory fluting GB/T 40168-2021介绍: 国家标准《瓦楞芯纸 实...
英文:Corrugating medium—Determination of the edge crush resistance after laboratory fluting GB/T 40168-2021介绍: 国家标准《瓦楞芯纸 实...