NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 44178-2024
绿色产品评价-石材 Green product evaluation-stone
发布日期 Issued Date:
实施日期 Implemented Date:
发布Issued by:
国家市场监督管理总局 国家标准化管理委员会
The Standardization Administration of the People's Republic of China
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"GB/T 44178-2024" standard !
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