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GB/T 4091.3-1983 Control charts for averages and for ranges (USD) via email in 1-3 business day ABOLISHED
GB/T 11791-1989 Upper confidence limits of coefficient of variation for normal distribution (USD) via email in 1-8 business day ABOLISHED
GB/T 13393-1992 Guide for sampling inspection via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 17989-2000 Control charts--General guide and introduction (USD) via email in 1-3 business day VALID
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values (USD) via email in 1-3 business day VALID
GB 8055-1987 Statistical interpretation of data Parameter estimation for gamma distribution (Pearson 3 distribution) (USD) via email in 1-5 business day ABOLISHED
GB/T 14900-1994 Single sampling procedures and tables for product quality audit by variables for mean value via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 3361-1982 Statistical interpretation of data;Comparison of two means in the case of paired observations (USD) via email in 1-3 business day VALID
GB 4891-1985 Choice of sample size to estimate the average quality of a lot or process (USD) via email in 1-3 business day ABOLISHED
GB 4086.4-1983 Tables for statistical distributions;F-distribution (USD) via email in 1-10 business day VALID
GB/T 4888-2009 Terms and symbols for fault tree (USD) via email in 1-3 business day VALID
GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality (USD) via email in 1-3 business day VALID
GB/T 28043-2019 Statistical methods for use in proficiency testing by interlaboratory comparison (USD) via email in 1-8 business day VALID
GB/T 13400.1-2012 Network planning techniques—Part 1:General terms (USD) via email in 1-3 business day VALID
GB/T 13393-2008 Guide to acceptance sampling inspection (USD) via email in 1-3 business day VALID
GB/T 8053-2001 Single sampling procedures and tables for inspection having desired operating characteristics by variables for percent nonconforming via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 16742.1-1997 Function represention of particle size distribution Power-function via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 13400.3-1992 General progam of network planning techniques used in project management (USD) via email in 1-3 business day ABOLISHED
GB 4090-1983 Statistical interpretation of data--Test for parameter in Poisson distribution (USD) via email in 1-3 business day ABOLISHED
GB/T 4091.8-1983 Control charts for defects per unit (USD) via email in 1-3 business day ABOLISHED
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