中粗砂规格标准-法规政策咨询及电话投诉类法律援助-法律咨询免费平台-国际律师联盟

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问题	中粗砂规格标准
释义	法律分析：粗砂：细度模数为3.7—3.1，平均粒径为0.5mm以上。中砂：细度模数为3.0—2.3，平均粒径为0.5—0.35mm。细砂：细度模数为2.2—1.6，平均粒径为0.35—0.25mm。特细砂：细度模数为1.5一0.7，平均粒径为0.25mm以下。法律依据：《中华人民共和国标准化法》第九条制定标准应当有利于合理利用国家资源，推广科学技术成果，提高经济效益，并符合使用要求，有利于产品的通用互换，做到技术上先进，经济上合理。
随便看	开书店政府有扶持吗 -法律知识新华书店属于什么单位性质开书店可以拿政府补贴吗买商铺能在附近上学吗开书店可以拿政府补贴吗开书店可以拿政府补贴吗政府为什么购买民办学校学位股票PE指的是什么上海丈夫剪下床单欲做DNA鉴定网络诈骗被录屏了人脸识别绵阳哪儿可以做亲子鉴定啊？颈部被掐法医鉴定轻伤被骗录人脸视频做了网贷请法医验尸需要多少钱掐人脖子算犯法已经报警法医鉴定咨询电话号码法医鉴定咨询电话号码被骗录人脸视频做了网贷谁知道绵阳做亲子鉴定的地方？故意掐人脖子伤害鉴定洛阳司法鉴定女人多少岁交社保最好塑料制品需要生产许可证吗 -法律知识多少台注塑机要环评 -法律知识塑料制品需要生产许可证吗 -法律知识 contract for technology transfer contract for temporary transfer of personnel contract for the assumption of debts contract for the carriage of passengers contract for the design of construction projects contract for the engagement of Chinese employees contract for the exploitation of mineral resources contract for the holding of matrimonial property contract for the international sale of goods contract for the lease of garage contract for the loan of objects contract for the purchase of geological machinery and instruments contract for the rent of commercial housing contract for the sale of common goods contract for the sale of garage contract for the sale of rare metals contract for the sales of commercial estate contract for the sales of industrial products concerning foreign interests contract for the supply of mechanical and electrical products contract for the supply of necessities contract for the supply of nonferrous metals contract for the third party's benefit contract for the use of electricity contract for the use of gas contract for the use of land

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