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United power system and isolated power systems. Relay protection and automation of autotransformers (transformers) at voltage class 110–220 kV. Testing
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Two lay rope type LK-O construction 6x19(1+9+9)+7x7(1+6). Dimensions
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Standardization in Russian Federation. Terms and definitions
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Hot-rolled and forged bars of heat resistant alloys. Specifications
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Studs for flanged connections with lens-shaped seals Pn 10-100 MPa (100-1000 kgf/cm2). Technical requirements
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