Dual height table
作者： Wayland B. Parker
DOI:
关键词:
摘要: A table selectively adjustable to two heights on L-shaped leg members which are pivoted the top at corresponding distal ends of members.
lens.org 参考文章(4)
E Dupuis, Folding two-level table, bench or the like ,(1972)
Henry A Berliner, Convertible coffee-dining table ,(1962)
James R Dorsey, Wilbert C Young, Vertically adjustable table with longitudinally adjustable dual purpose leg structrues ,(1957)
Hicks Russell, Vertically adjustable table ,(1947)