Righting chair, in particular a collapsible wheelchair for invalid and sick

• 1. 一种可折叠便携式椅和可折叠便携式轮椅 [P] . 中国专利： CN208823211U . 2019.05.07
• 2. 床和轮椅/马桶椅自动病人移位系统 [P] . 中国专利： CN201642698U . 2010.11.24
• 3. Righting chair, in particular a collapsible wheelchair for invalid and sick [P] . 德国专利： DE2625047B2 . 1978-03-09

  机译： 扶正椅，特别是可折叠的轮椅，方便病残的人

• 4. Righting chair, in particular a collapsible wheelchair for invalid and sick [P] . 德国专利： DE2625047C3 . 1978-11-02

  机译： 扶正椅，特别是可折叠的轮椅，方便病残的人

• 5. A collapsible and a portable wheelchair, in particular of sick wheelchair [P] . 德国专利： DE1268315B . 1968-05-16

  机译： 可折叠和便携式轮椅，特别是生病的轮椅

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