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4 ч 7 мин, 30 авг 1983 г. - Shoe insole having antibacterial and antifungal properties # US4401770A Inventor: Hance Award Date: 08/30/1983 Status: Expired
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Engineering Timeline
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William Wegand
16 дек 2019
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4 ч 7 мин, 30 авг 1983 г.
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