Flanged cast iron gate valves, Classes 125 and 250 for the petroleum industry

1960 ◽  
1977 ◽  
Vol 13 (4) ◽  
pp. 339-342
Author(s):  
S. G. Guliev ◽  
V. D. Shifrin ◽  
Yu. A. Vasil'ev

1971 ◽  
Vol 7 (6) ◽  
pp. 526-528
Author(s):  
K. A. Kozlov
Keyword(s):  

1992 ◽  
Vol 28 (11) ◽  
pp. 677-680
Author(s):  
L. A. Solntsev ◽  
R. D. Dzhabarov ◽  
O. Yu. Rafiev ◽  
Yu. A. Ishchuk

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