Elevator button panel capable of avoiding cross infection
Ultralightweight airless ATV wheels based upon negative Poisson ratio (NPR) auxetic structures
Airless and runflat tire structures, components and assembly techniques
ULTRALIGHTWEIGHT AIRLESS ATV WHEELS BASED UPON NEGATIVE POISSON RATIO (NPR) AUXETIC STRUCTURES
Safe hoisting equipment for copper plate strip production
AIRLESS AND RUNFLAT TIRE STRUCTURES, COMPONENTS AND ASSEMBLY TECHNIQUES
Bridge anti-collision early warning system and method, device and storage medium
Hub-and-spoke network design for container shipping along the Yangtze River
Power conversion method, power conversion system, electronic equipment and storage medium