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国家经贸委批准13项建筑材料行业标准,其中推荐性标准9项,强制性标准4项,现予公布,自2002年12月1日起实施。 以上标准由建材工业出版社出版。
The State Economic and Trade Commission has approved 13 industrial standards for building materials, of which 9 are recommended standards and 4 are mandatory standards. They are hereby promulgated and will come into effect on December 1, 2002. The above standards are published by the Building Materials Industry Press.