From automatic reference column device that trades of fixed stack formula many times

• Main Authors: WANG XUANKE, DAI DONGSHENG, LEI WANGYUN, DUAN AIMEI, QIN ZHIHUA, WU SIJING, XU GANGQIANG
• Format: Patent
• Language: English
• Published: 10.02.2016
• Subjects: AMMUNITION; BLASTING; EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The utility model discloses a from automatic reference column device that trades of fixed stack formula many times, it includes: go up fixed position post, activity reference column system, lower fixed position post and pneumatic control system, upper and lower fixed position post is installed respe...