GB/T 20914.3-2019冲模氮气弹簧第3部分:紧凑强力氮气弹簧国家标准
英文:Stamping dies—Gas springs—Part 3: Gas spring with increased spring force and compact built height GB/T 20914.3-2019介绍...
英文:Stamping dies—Gas springs—Part 3: Gas spring with increased spring force and compact built height GB/T 20914.3-2019介绍...