Vacuum cleaner with wheeled undercarriage
作者： Descarries Raymond
DOI:
关键词: Vacuum cleaner 、 Materials science 、 Mechanical engineering
摘要:
lens.org 参考文章(3)
Edward A French, Adjustable wheel mounting for tank type suction cleaners ,(1945)
Ward Leathers, Hose caster bracket for vacuum cleaners ,(1940)
Grave Guenter, Vorrichtung zum gleitbaren Fortbewegen von Staubsaugern liegender Bauart ,(1943)