GB/Z 40988-2021 Six degree of freedom external fixator

ASTM F1541 GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 2965-1996 Titanium and titanium alloy bars GB/T 2965-2007 Titanium and titanium alloy bars GB/T 2965-2023 Titanium and titanium alloy bars GB/T 3191-1998 Extrusion rods and bars of aluminium and aluminium alloy GB/T 3191-2010 Aluminium and aluminium alloys extruded bars,rods GB/T 3191-2019 Extrusion rods and bars of aluminium and aluminium alloys GB/T 3280-1992 Cold rolled stainless steel sheets and plates GB/T 3280-2007 Cold rolled stainless steel plate, sheet and strip GB/T 3280-2015 Cold rolled stainless steel plate, sheet and strip GB/T 3621-1994 Titanium and titanium alloy sheet and plate GB/T 3621-2007 Titanium and titanium alloy plate and sheet GB/T 3621-2022 Titanium and titanium alloy plate and sheet GB/T 3880.2-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.2-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.2-2024 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 4340.1-1999 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2024 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 8013.1-2007 Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 1:Anodic oxide coatings GB/T 8013.1-2018 Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 1:Anodic oxide coatings GB/T 14233.2-1993 Infusion, transfusion, injction equipment for medical use—Part 2:Biological test methods GB/T 14233.2-2005 Test methods for infusion,transfusion,injection equipment for medical use—Part 2:Biological test methods YY/T 0149-2006 Medical instruments of stainless steel—Test methods of corrosion resistance YY/T 0660-2008 Standard specification for polyetheretherketone(PEEK) polymers for surgical implant applications YY/T 0149-1993 Test method for corrosion resistance of stainless steel medical instruments GB/T 14233.2-2025 Test methods for infusion,transfusion,injection equipment for medical use—Part 2:Biological test methods