Adjustable bench-step
作者： Laurie Thomas , Robert W. Nicholas
DOI:
关键词:
摘要: An adjustable bench-step for use in exercising, having an upper platform that is easily and securely insertable into a base, with the further being both vertically approachable from any horizontal axis.
google.co.uk参考文章(11)
John G. Dale, Height adjustable table tops ,(1979)
Wayland B. Parker, Dual height table ,(1978)
William T. Wilkinson, Resilient type exerciser for simulating climbing ,(1981)
William T. Wilkinson, Device for simulation of climbing ,(1985)
David B. Lee, Elevatable stool construction ,(1985)
Alden L Safstrom, Vertically adjustable table ,(1951)
John S. Johnson, Multi-functional table ,(1989)
Sarapanidi Panajot I, Gerasimenko Vladimir G, Musin Mendesh A, Verkhalo Yurij N, Lavrenteva Svetlana, APPARATUS FOR TRAINING MUSCLES ,(1986)
Henry T Erickson, Adjustable seat construction ,(1950)
Archibald W Diack, Vertically adjustable table ,(1956)