GB/T 40552-2021教育服務(wù)效果測評指南Guidance for assessment of outcomes of learning services

上一條：GB/T 40611-2021塑料 海水沙質(zhì)沉積物界面非漂浮塑料材料最終需氧生物分解能力的測定 通過(guò)測定密閉呼吸計內耗氧量的方法Plastics. Determination of aerobic biodegradation of non-floating plastic materials in a seawater/ sandy sediment interface. Method by measuring the oxygen demand in closed respirometer

下一條：GB/T 40550-2021勞動(dòng)人事?tīng)幾h仲裁術(shù)語(yǔ)Terminology of labor and personnel dispute arbitration

版權：如無(wú)特殊注明，文章轉載自網(wǎng)絡(luò )，侵權請聯(lián)系cnmhg168#163.com刪除！文件均為網(wǎng)友上傳，僅供研究和學(xué)習使用，務(wù)必24小時(shí)內刪除。