{HEAD ~ The machine} in {TAIL ~ accordance} with the invention thus comprises a base supporting, by a bracket , a pivot shaft 14 about which a support 16 for a shoe support 18 can pivot 
in
{ HEAD ~ The machine } in { TAIL ~ accordance } with the invention thus comprises a base supporting , by a bracket , a pivot shaft 14 about which a support 16 for a shoe support 18 can pivot
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