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GB/T 131-2006 Geometrical Product Specifications (GPS) - Indication of surface texture in technical Product documentation via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 193-2003 General purpose metric screw threads—General plan 180 (USD) via email in 1-3 business day VALID
GB/T 25757-2010 Non-destructive testing - Test methods of performance characteristics of automatic magnetic flux leakage testing systems for steel tubes 120 (USD) via email in 1-3 business day VALID
GB/T 18685-2017 The blank diameters for rolling general purpose metric screw threads 180 (USD) via email in 1-3 business day VALID
GB/T 24637.1-2020 Geometrical product specifications (GPS)—General concepts—Part 1:Model for geometrical specification and verification 900 (USD) via email in 1-8 business day TO BE VALID
GB/T 2298-1991 Mechanical vibration and shock—Terminology via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 37540-2019 Non-destructive testing—Digital image processing and communication for eddy current testing 300 (USD) via email in 1-3 business day VALID
GB/T 192-1981 General purpose screw threads-Basic concepts and symbols for tooth shapes and tolerance zone 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 38944-2020 Non-destructive testing—Testing method of small-angle neutron scattering 360 (USD) via email in 1-3 business day TO BE VALID
GB/T 38882-2020 Non-destructive testing—Testing method for wall-thickness loss of ferromagnetic tubes using magnetic flux leakage 300 (USD) via email in 1-3 business day TO BE VALID
GB/T 25758.5-2010 Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Part 5: Measurement of the effective focal spot size of mini and micro focus X-ray tubes 120 (USD) via email in 1-3 business day VALID
GB/T 7559-1987 FRP Laminates-test method for bearing strength by bolted joints via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 24340-2009 Graphical symbols for use on electrical diagram of industrial machines 1140 (USD) via email in 1-8 business day VALID
GB/T 25758.3-2010 Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Part 3: Slit camera radiographic method 180 (USD) via email in 1-3 business day VALID
GB/T 1167-1996 The threads for transition fit via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
ZB J 04002-1987 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 38894-2020 Non-destructive testing—Electrochemical testing—General principles 240 (USD) via email in 1-3 business day TO BE VALID
GB/T 27944-2011 Dryseal pipe threads with the thread angle of 60 degrees 540 (USD) via email in 1-5 business day VALID
GB/T 28618-2012 Remanufacturing—General technical requirements for mechanical products 120 (USD) via email in 1-3 business day VALID
GB/T 4249-2018 Geometrical product specifications(GPS)—Fundamentals—Concepts,principles and rules 240 (USD) via email in 1-3 business day VALID
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