42.5水泥3天抗压强度规定-法律综合法律援助-法律咨询免费平台-国际律师联盟

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问题	42.5水泥3天抗压强度规定
释义	法律分析： 42.5水泥3d抗压强度不小于17Mpa.28d抗压强度不小于42.5MPa。3d抗折强度不小于3.5Mpa 28d抗折强度不小于6.5MPa 法律依据：《中华人民共和国标准化法》第二条本法所称标准（含标准样品），是指农业、工业、服务业以及社会事业等领域需要统一的技术要求。标准包括国家标准、行业标准、地方标准和团体标准、企业标准。国家标准分为强制性标准、推荐性标准，行业标准、地方标准是推荐性标准。强制性标准必须执行。国家鼓励采用推荐性标准。
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