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JB/T 9683-2012 Organization of the type of insulator products via email in VALID please email coc@codeofchina.com for quotation
GB/T 4585.2-1991 Artificial pollution tests on high-voltage insulators to be used on a.c.systems—solid-layer method via email in ABOLISHED please email coc@codeofchina.com for quotation
GB 772-1987 Technical specifications of porcelain element for high voltage insulators via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 1386.2-1997 Insulators for low voltage power lines--Part 2: Strain insulators for overhead power lines via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 775.1-1987 Test method for insulators; Part 1: General test methods via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 26218.1-2010 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 1:Definitions,information and general principles (USD) via email in 1-5 business day VALID
GB/T 21421.1-2008 Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V—Part 1:Standard strngth classes and end fittings (USD) via email in 1-3 business day VALID
GB 1000.2-1988 Pin insulators of ceramic material for high voltage overhead lines-Part 2: Dimensions and characteristics (USD) via email in 1-3 business day ABOLISHED
DL/T 627-2004 Room temperature vulcanized silicon rubber anti-pollution coating for insulators (USD) via email in 1-3 business day ABOLISHED
GB/T 22079-2008 Polymeric insulators for indoor and outdoor use with a nominal voltage>1 000 V—General definitions test methods and acceptance criteria (USD) via email in 1-3 business day ABOLISHED
GB/T 20876.2-2007 Composite string insulator units for overhead lines with a nominal voltage greater than 1000 V—Part 2:Dimensional and electrical characteristics via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 1001-1986 The cap and pin type insulators--Technical specification (USD) via email in 1-3 business day ABOLISHED
JB/T 10585.1-2006 Insulators for low voltage power lines Part 1: Insulators for low voltage overhead power lines (USD) via email in 1-3 business day VALID
NB/T 42012-2013 Dimensions and characteristics of composite insulators with rated voltage 1100kV used for a.c. substations and electrical equipments (USD) via email in 1-3 business day VALID
GB/T 21421.2-2014 Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V—Part 2:Dimensions and characteristics (USD) via email in 1-3 business day VALID
GB/T 26218.3-2011 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 3:Composite insulators for a.c.systems (USD) via email in 1-3 business day VALID
DL/T 557-2005 Insulators of ceramic or glass material overhead lines with a nominal voltage greater than 1000V -- impulse puncture tests in air (USD) via email in 1-3 business day VALID
GB/T 1386.3-1997 Insulators for low voltage power lines--Part 3: Insulators for low voltage wiring via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 1386.4-1997 Insulators for low voltage power lines Part 4: Insulators for trolley overhead lines via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 5582-1993 External insulation pollution classes of high-voltage electric power equipments via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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