DIN 53340:1979-07 Testing of leather; determination of the behaviour at permanent folding of semi-flexible leathers

标准编号：DIN 53340:1979-07

英文标题：Testing of leather; determination of the behaviour at permanent folding of semi-flexible leathers

德文标题：Prüfung von Leder; Bestimmung des Dauer-Faltverhaltens wenig flexibler Leder

发布日期：1979-07

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