GB/T 24328.2-2020
Tissue paper and tissue products¡ªPart 2: Determination of thickness, bulKing thickness and apparent bulk density and bulk 卫生纸及其制品 第2部分: 厚度、层积厚度、表观层积紧度和松厚度的测定 |
GB/T 16546-2020
General rules for pacKing, marking, transport, storage and quality certificates of shaped refractory 定形耐火材料包装、标志、运输、储存和质量证明书的一般规定 |
GB/T 15545-2020
General rules for pacKing, marking, transport, storage and quality certificates of unshaped refractory 不定形耐火材料包装、标志、运输、储存和质量证明书的一般规定 |
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