有哪些信誉好的足球投注网站- 2
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ICS13.020.10
CCSZ04
中华人民共和国国家标准
GB/T44905—2024
温室气体产品碳足迹量化方法与要求
电解铝
Greenhousegas—Quantificationrequirementandmethodofproductcarbon
footprint—Electrolyticaluminium
2024⁃10⁃26发布2025⁃05⁃01实施
国家市场监督管理总局
发布
国家标准化管理委员会
GB/T44905—2024
目次
前言··························································································································Ⅲ
引言··························································································································Ⅳ
1范围·······················································································································1
2规范性引用文件········································································································1
3术语和定义··············································································································1
4量化目的·················································································································3
5量化范围·················································································································3
5.1产品描述···········································································································3
5.2声明单位···········································································································3
5.3系统边界···········································································································4
6数据和数据质量··················································································
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