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TB/T 456-2008 Couplers and Coupler Yokes for Railway Locomotive and Rolling Stock 240.0 via email in 1 business day superseded
TB/T 2226-2002 Technical specification of centralized hotbox alarm system for railway passenger car 150.0 via email in 1 business day abolished
TB/T 2140-2008 Railway ballast 80.0 via email in 1 business day valid
GB/T 1551-2009 Test method for measuring resistivity of monocrystal silicon 360.0 via email in 1~3 business day valid
TB/T 3203-2008 Wan Technology Specification of Train Operation Dispatching Command System and Centralized Traffic Control System 255.0 via email in 1~3 business day valid
TB/T 1979-2003 Technical specification for the procurement of atmospheric corrosion resisting steel for railway rolling stock 120.0 via email in 1~3 business day superseded
TB/T 3102.4-2005 Curved-face bayonet ring couplings for rolling stock Part 4: Aubber sealing rings 105.0 via email in 1~3 business day valid
GB/T 12962-2005 Monoccrystalline silicon 135.0 via email in 1~3 business day abolished
GB/T 3367.5-2000 Glossary of terms for railway locomotive-Names of component parts for air brake equipment 120.0 via email in 1~3 business day valid
GB/T 13389-2014 Practice for conversion between resistivity and dopant density for boron-doped,phosphorus-doped,and arsenic-doped silicon 410.0 via email in 1~5 business day valid
TB/T 2884.2-2006 Special measuring tools for adapter on freight car -- Part 2: Measuring tools for inspection and repair of adapter 165.0 via email in 1~3 business day valid
GB/T 6902-2010 Test methods for railway signal relays 390.0 via email in 1~3 business day valid
TB/T 3102.23-2005 Curved-face bayonet ring couplings for rolling stock Part 23: Cone thread angle coupling bodies 90.0 via email in 1~3 business day valid
GB/T 7178.5-2006 The operating for railway shunting - Part 5: Operating for the shunting neck 105.0 via email in 1~3 business day valid
TB/T 3102.11-2005 Curved-face bayonet ring couplings for rolling stock Part 11: Reducing straight couplings 105.0 via email in 1~3 business day valid
TB/T 2456.20-2006 Special measurement tools for locomotives adn vehicles-Part 20:Brake shoe gauge for rolling stock 180.0 via email in 1~3 business day valid
TB/T 3165-2007 Measurement of Mechanical Active Substances in Railway Locomotives 75.0 via email in 1~3 business day valid
GB/T 4549.11-2004 Railway vehicle vocabulary—Part 11:Equipments attached to the special purpose freight car 240.0 via email in 1~3 business day valid
TB/T 2950-2006 Coupler connection contour for locomotives and rolling stock 20.0 via email in 1 business day valid
YS/T 223-1996 Selenium 105.0 via email in 1~3 business day abolished
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