Okay, here is the translation following your instructions: CO2 Fire Extinguishing System Design Code (1999 Edition) GB50193－93

Author: Ministry of Public Security of the People's Republic of China
Publisher: China Planning Press
Publication Date: 1994-08-01
Features: According to the requirements of Document No. 2390 of the State Planning Commission, the "Design Code for Carbon Dioxide Fire Extinguishing Systems" was jointly formulated by the Ministry of Public Security and relevant departments, and has been reviewed by relevant authorities. The "Design Code for Carbon Dioxide Fire Extinguishing Systems" GB50193-93 is now approved as a mandatory national standard and shall come into effect on August 1, 1994.