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国家枝术监督局以枝监国标函[1994]181号和224号文批准发布了GB/T15224.1—94《煤炭质量分级 煤炭灰分分级》,GB/T15224.2—94《煤炭质量分级 煤炭硫分分级》,GB/T15224.3—94《煤炭质量分级 煤炭发热量分级》;GB/T15334—94《煤的水分测定方法微波干燥法》,GB/T15335—94《矿用风筒漏风率和风阻的测定方法》。以上推荐性标准于1995年8月1日起实施。另外,国家枝术监督局以[1995]2号文发送GB/T1.1—1993和GB/T1.22—1993国家标准修改通知单,对GB/T1.1—1993《标准化工作导则第1单元:标准的起草与表述规则第1部分标准编写的基本规定》和GB/T1.22—1993《标准化工作导则第2单元:标准内容的确定方法第22部分 引用标准的规定》进行了修改。
The State Bureau of Surveying and Supervision approved the promulgation of GB / T15224.1-94 “coal quality classification coal ash classification” and GB / T15224.2-94 “coal quality classification coal Sulfur classification ”, GB / T15224.3-94“ coal quality classification coal calorific grading ”; GB / T15334-94“ coal moisture determination method microwave drying method ”, GB / T15335-94“ Mine duct leakage rate And wind resistance determination method. ” The above recommended standards came into force on August 1, 1995. In addition, the State Bureau of Surgical Supervision to send [1995] No. 2 GB / T1.1-1993 and GB / T1.22-1993 notification of the amendment of national standards, GB / T1.1-1993 “Standardization Guideline Unit 1: Standard drafting and presentation rules Part 1 standard preparation of the basic provisions of ”and GB / T1.22-1993“ Standardization Guide Part 2: Determination of the standard content Part 22 of the reference standard ”was carried out modify.