Truncated octahedral platinum–nickel–iridium ternary electro-catalyst for oxygen reduction reaction
LIMITING DEVICE, CANOPY MOUNTING STRUCTURE, AND CHILD CARRIER
TUBE ADAPTED TO SUPPORT FRAME OF CHILD CARRIAGE, SUPPORT FRAME, AND CHILD CARRIAGE
Tube adapted to support frame of child carriage, support frame, and child carriage
Automatic pop-up B-pillar of automobile, control system and automobile