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CNIS GB/T 1852-93 Marine steel flanged steam pressure reducing valves CNIS GB/T 14383-93 Forged steel socket welding pipe fittings CNIS GB/T 14408-93 Low alloy steel castings for general engineering and structural purposes CNIS GB/T 14291-93 Welded steel pipe for mine liquid service CNIS GB/T 14292-93 Hot-rolled long products technical requirements for carbon structure steel and ... COE EM 1110-2-2105 DESIGN OF HYDRAULIC STEEL STRUCTURES, REPRINT INCORPORATES CHANGE 1 CNIS GB/T 4622.2-93 Spiral wound gaskets for steel pipe flanges--Dimensions CNIS GB/T 3091-93 Galvanized welded steel pipe for low pressure service CNIS GB/T 4231-93 Cold rolled stainless steel strips for springs CNIS GB/T 3092-93 Welded steel pipe for low pressure service CNIS GB/T 8164-93 Steel strips for welded steel pipe CECC PREN 211951 Cold-Reduced Blackplate in Coil Form for the Production of Tinplate or Electrol... CECC PREN 211950 Cold-Reduced Electrolytic Chromium/Chromium Oxide Coated Steel (En) CEN EN 10034 Structural Steel I and H Sections - Tolerances on Shape and Dimensions CEN EN 3045 Aerospace Series - Bearings, Airframe Rolling - Rigid Single Row Ball Bearings ... CEN EN 3047 Aerospace Series - Bearings, Airframe Rolling - Rigid Single Row Ball Bearings ... CEN EN 3046 Aerospace Series - Bearings, Airframe Rolling - Rigid Single Row Ball Bearings ... CEN EN 2157-1 Aerospace Series Steel Forging Stock and Forgings Technical Specifications Part... CEN EN 2157-3 Aerospace Series Steel Forging Stock and Forgings Technical Specification Part ... CEN EN 10056-2 Structural Steel Equal and Unequal Leg Angles Part 2: Tolerances on Shape and D... CEN EN 2157-2 Aerospace Series Steel Forging Stock and Forgings Technical Specification Part ... CNIS GB/T 4237-92 Hot rolled stainless steel sheets and plates CNIS GB/T 6725-92 Technical requirements of cold forming sectional steel CNIS GB/T 4238-92 Heat-resisting steel sheets and plates