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FR2675349A1
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Variable footwear devices
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FR2652238A1
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Footwear devices which can be varied and adjusted by the user
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FR2629313A1
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Variable and user adjustable footwear
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FR2580475A1
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Variable, evolving, stabilizer, user adaptable footwear
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US4146981A
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Footwear structure with interchangeable elements
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DE2620252A1
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Shoe formed of interchangeable elements - has sole and heel joined by intermediate arch
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FR2282238A1
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Shoe with moulded components and ventilating arrangements - has perforations in the moulded parts connected to the outside air
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