A portable blowup underpinning disposed on a bottom surface of a trailer, the portable blowup underpinning including a center portion to contact the bottom surface of the trailer, a perimeter portion disposed around the center portion, and a hot air blower disposed on the perimeter portion to supply air to the perimeter portion.
PORTABLE BLOWUP UNDERPINNING FOR TRAILERS
2019-10-17
Patent
Electronic Resource
English
Online Contents | 2014
Online Contents | 2014
Online Contents | 2014
Online Contents | 2013