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Blade-skating pavement
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Patent number 5,364,548
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Issue date Nov 15, 1994
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Skitech S.r.l.
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Vittorio Di Stefano
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Material to pave skating rinks
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Patent number 5,286,551
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Issue date Feb 15, 1994
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Skitech S.r.l.
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Vittorio Di Stefano
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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