JIS T9207-2008《轮椅用便携式坡道》
This Japanese Industrial Standard specifies the portable ramps (hereafter referred
to as "ramps") to be set on stairs, steps or the area where a gap exists to make it pos-
sible to pass through by supporting the load with both ends for manually propelled
wheelchairs or electric wheelchairs. Ramps fixed by claws, etc. shall be excluded.