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GB - Chinese national standards
Page 1247
GB/T 20254.1-2015 (11/09/2015)
Copper and copper alloy strips for lead frame—Part 1: Plane strip
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 250.80 USD more info
GB/T 20254.2-2015 (11/09/2015)
Copper and copper alloy strips for lead frame—Part 2: Profiled strip
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 250.80 USD more info
GB/T 20255.1-2006 (08/05/2006)
Methods for chemical analysis of hardmetals - Determination of calcium, potassium, magnesium and sodium contents - Flame atomic absorption spectrometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 250.80 USD more info
GB/T 20255.2-2006 (08/05/2006)
Methods for chemical analysis of hardmetals - Determination of cobalt, iron, manganese and nickel contents - Flame atomic absorption spectrometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 226.80 USD more info
GB/T 20255.3-2006 (08/05/2006)
Methods for chemical analysis of hardmetals - Determination of molybdenum, titanium and vanadium contents - Flame atomic absorption spectrometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 226.80 USD more info
GB/T 20255.4-2006 (08/05/2006)
Methods for chemical analysis of hardmetals - Determination of cobalt, iron, manganese, molybdenum, nickel, titanium and vanadium contents - Flame atomic absorption spectrometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 250.80 USD more info
GB/T 20255.5-2006 (08/05/2006)
Methods for chemical analysis of hardmetals - Determination of chromium content - Flame atomic absorption spectrometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 226.80 USD more info
GB/T 20255.6-2008 (09/06/2008)
Methods for chemical analysis of hardmetals - Flame atomic absorption spectrometry - General requirements
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 112.80 USD more info
GB/T 20256-2019 (25/03/2019)
Specifications for the gravimetry control
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 672.00 USD more info
GB/T 20257.1-2017 (14/10/2017)
Cartographic symbols for national fundamental scale maps—Part 1:Specifications for cartographic symbols 1500 11 000 & 12 000 topographic maps
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 1 884.00 USD more info
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