919资源列表

[计量检定规程] JJG 919-2023 pH计检定仪检定规程

[计量检定规程] JJG 919-2008 pH计检定仪 可复制文字版

[农业行业标准] NY/T 919-2020 饲料中苯并(a) 芘的测定

[国外标准] BS 919-4-2007 Screw gauge limits and tolerances – Part 4 Limits of size for gauges for screw threads

[国外标准] BS 919-3-2007 Screw gauge limits and tolerances – Part 3 Specification for gauges for screw threads

[国外标准] BS 919-3-1968 Specification for Screw gauge limits and tolerances

[国外标准] BS 919-2-2007 Screw gauge limits and tolerances – Part 2 Specification for gauges for screw threads

[国外标准] BS 919-1-2007 Screw gauge limits and tolerances. Specification for gauges for screw threads of unifi

[计量检定规程] JJG 919-2008 pH计检定仪检定规程

[计量检定规程] JJG 919-1996 PH计检定仪检定规程

[江西省地方标准] DB36/T 919-2016 绿色食品红芽芋

[贵州省地方标准] DB52/T 919-2014 金线莲规范化生产技术规程

[浙江省地方标准] DB33/T 919-2014 光皮桦栽培技术规程

[有色金属行业标准] YS/T 919-2013 高纯铜铸锭

[山西省地方标准] DB14/T 919-2014 玉米大斑病防治技术规程

[煤炭行业标准] MT/T 919-2002 电子数显式收敛计

[核工业行业标准] EJ/T 919-1994 水中锰-54的分析方法

[河南省地方标准] DB41/T 919-2014 楸树埋根育苗技术规程