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GB/T 15154-1994 Alumina powders for use in electron ceramics via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 9534-1988 Test method for complex permittivity of solid dielectric materials at millimeter wave frequencies using Quasi-Optic cavity technique (USD) via email in 1-3 business day VALID
GB/T 4188-2017 Molybdenum bars and molybdenum rods (USD) via email in 1-3 business day VALID
SJ 687-1983 via email in ABOLISHED please email coc@codeofchina.com for quotation
SJ 2414-1983 Major technical data of vacuum glass Type DB-495 (USD) via email in 1-3 business day ABOLISHED
GB/T 15750-2008 Test methods for the properties of piezoelectric ceramics - Test for the ageing properties (USD) via email in 1-3 business day VALID
GB 9506.5-1988 Test method for nitrogen-released and gas-absorbed dynamic curve of nitrogen-doped getter (USD) via email in 1-3 business day ABOLISHED
GB 9620.3-1988 (USD) via email in 1-3 business day ABOLISHED
GB/T 35575-2017 General technical requirements for electromagnetic shielding film (USD) via email in 1-3 business day VALID
GB/T 5838.42-2015 Phosphors—Part 4-2:Phosphor for indicator tubes (USD) via email in 1-3 business day VALID
GB 11297.4-1989 Test method for normal pulse lasing threshold and slope efficiency of Nd:YAG laser rods (USD) via email in 1-3 business day ABOLISHED
GB/T 4181-1997 Tungsten wires via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 5593-2015 Structure ceramic materials used in electronic component and device (USD) via email in 1-3 business day VALID
GB/T 11446.10-2013 Test method for total bacterial count in electronic grade water by membrane filters (USD) via email in 1-3 business day VALID
SJ 20900-2004 Specification for beryllia ceramic sleeves used in microwave electronic tubes (USD) via email in 1-3 business day VALID
GB/T 25496-2010 Test methods for the mechanical properties of getters (USD) via email in 1-3 business day VALID
GB 11297.7-1989 Test method for resistivity and Hall coefficient in InSb single crystals (USD) via email in 1-3 business day VALID
GB/T 31378-2015 Test method for surface hardness of flat panel display (FPD) polarizing film (USD) via email in 1-3 business day VALID
GB 9506.4-1988 Test method for amount of gas evolved from getter (USD) via email in 1-3 business day ABOLISHED
GB/T 11446.4-2013 Test method for resistivity of electronic grade water (USD) via email in 1-3 business day VALID
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