Emergency wheels (collapsible tyres B60C3/08; tyres characterised by means enabling restricted operation in damaged or deflated condition B60C17/00)

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Units comprising multiple wheels arranged side by side; Wheels having more than one rim or capable of carrying more than one tyre > Emergency wheels (collapsible tyres B60C3/08; tyres characterised by means enabling restricted operation in damaged or deflated condition B60C17/00)