π-Spacer effect in dithiafulvenyl-π-phenothiazine dyes for dye-sensitized solar cells
Seat armrest height adjusting mechanism and automobile seat
Height control valve for low-suspension-stroke seat and low-suspension-stroke seat
Steel structure building truss hoisting and conveying system and machining process
Integrated intelligent unit and integrated intelligent air spring
HEIGHT CONTROL VALVE FOR LOW-SUSPENSION-TRAVEL SEAT, AND LOW-SUSPENSION-TRAVEL SEAT
Air suspension seat height control valve and air suspension seat
Single-linkage waist support control valve and multi-linkage waist support control valve
Damping self-adaptive adjusting system based on acceleration change and automobile seat
Method and system for observing rearview mirror of automobile electronic camera through HUD