Sectional,folding,combination dumbell-bar bell

作者: E Baker , R Baker

DOI:

关键词: Bar (music)Structural engineeringEngineeringFolding (DSP implementation)Lateral movement

摘要: A dumbell-barbell with two or more separate, collapsible containers which are filled as desired fluid. These suspended below opposite ends of a sectional bar to they fastened by bearings allow the completely assembled rotate. The lateral movement is restricted retainers on bar. For compactness, sections and removable.

参考文章(1)