Ship type tractor impeller auxiliary device with amphibious and subsidence rescue functions
Train wheel passing recognition device and method based on high-precision triggering
Elevator steel wire rope end combination device capable of automatically adjusting angle
Liquid crystal instrument backlight adjusting method and system and vehicle
Three degree of freedom parallel type vector propelling device and underwater robot having same
Energy storage power assisting apparatus and vehicle having same
Hydrocarbon resins for butyl based compositions and methods of making the same
Hydrocarbon Resins for Butyl Based Compositions and Methods of Making the Same