GJB 8684.21-2015 Pyrotechnic powder performance test methods Part 21: Determination of mass concentration of smoke solid particles Filter membrane weighing method (English Version)
Military Standard of the People's Republic of China-General Armament Department
Latest
GJB 8684.21-2015
GJB 8684.21-2015 history
2015GJB 8684.21-2015 Pyrotechnic powder performance test methods Part 21: Determination of mass concentration of smoke solid particles Filter membrane weighing method