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1 хлопушка
1.gener. (Àíãë.: back check valve; return valve group; back-pressure valve; return valve; reverse flow check valve; cheque valve // Íåì.: Gegenventil; Rückschlagventil; Rücklaufventil; Rückschlagklappe; tagasilöögiklapp2. ngener. lapats, plakskompvek, plakshernes
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