According to the national standards development and revision plan by the Standardization Administration of China (SAC), China Metallurgical Information and Standardization Institute (CMISI), Shijiazhuang Iron and ...According to the national standards development and revision plan by the Standardization Administration of China (SAC), China Metallurgical Information and Standardization Institute (CMISI), Shijiazhuang Iron and Steel Co. Ltd. and other units take charge of the revision of GB/T 699-1999, High Quality Carbon Structural Steel (project number:展开更多
文摘According to the national standards development and revision plan by the Standardization Administration of China (SAC), China Metallurgical Information and Standardization Institute (CMISI), Shijiazhuang Iron and Steel Co. Ltd. and other units take charge of the revision of GB/T 699-1999, High Quality Carbon Structural Steel (project number: