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1 nonpermeable coating
Макаров: непроницаемое покрытие
См. также в других словарях:
seal — seal1 [sēl] n. [ME seel < OFr < L sigillum, a seal, mark, dim. of signum: see SIGN] 1. a design, initial, or other device placed on a letter, document, etc., as a mark of genuineness or authenticity: letters were, esp. formerly, closed with … English World dictionary