Curb-crossing apparatus
作者： Gunner Petersen
DOI:
关键词:
摘要: A curb crossing apparatus having a pivot member and ramp for preventing damage to equipment upon the equipment's transport between street elevated subgrade.
lens.org 参考文章(6)
Kurt K. Larsen, Lip construction for dock leveller ,(1982)
P Petersen, Portable ramp for wheel chairs and the like ,(1972)
Craig A. Haskins, Modular ramp system ,(1992)
D Kutz, G Raap, Device for attaching loading ramp to pickup truck tailgate ,(1972)
Billy D Rayle, Harold C Flinchum, Lloyd W Reid, Vehicle loading ramp displacement apparatus ,(1973)
Raynald R F Martin, Boat launching device ,(1963)