Four-wheel walking aid with large front wheel and small rear wheel

A four-wheel walker with a large front wheel and a small rear wheel is provided that includes two laterally spaced front posts and two laterally spaced rear posts. The four-wheel walking aid further comprises two grounded front wheels and two rear wheels, wherein the two front wheels are mounted at...

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Bibliographische Detailangaben
1. Verfasser: YANG XIANHE
Format: Patent
Sprache:chi ; eng
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