(NiZGOTOWLENIE I MONTAV WENTILQCIONNYH SISTEMs - (NkOGAN(B,(Na(B. (Nd(B.s (NaLEKSANDR dAWYDOWI^s; (N{EPOTXKO(B,(Na(B. (Np(B.s (NaLEKSEJ pAWLOWI^s ((Nk(B.s (NbUDIW\LXNYKs, 1990)
Keywords: (NwENTILQCIONNYE SISTEMYs -- (NsPRAWO^NIKIs