BS 5756-2007+A2-2017 Visual Strength Grading Of Temperate Hardwood. Specification2023-04-19
ASTM C652-2019Standard Specification for Hollow Brick (Hollow Masonry Units Made From Clay or Shale)2023-04-19
CB 20365-2018登陸艦液壓系泊絞車(chē)規范Specification for mooring winch of landing ship2023-04-19
IEC 60793-2-50-2015光纖--第2-50部分：產(chǎn)品規范--B類(lèi)單模光纖分規范Optical fibres – Part 2-50: Product spec...2023-04-18
GB/T 37661-2019船用廣播系統通用規范General specification for marine public address system2023-04-15
GB/T 41373-2022農村環(huán)衛保潔服務(wù)規范Service specification of rural sanitation cleaning2022-10-24
GB/T 22304-2021干甜羅勒 規范Dried sweet basil—Specification2022-10-25
GB/T 20864-2021水稻插秧機 技術(shù)規范Rice transplanter—Specification2022-10-26
SJ 20463/11-199931SS51Y7型指示管詳細規范Detail specification for Type 31SS51Y7 indicator tube2022-06-16
SJ 20862-2003中長(cháng)波戰術(shù)電臺通用規范General specification for medium/long wave tactic radio2022-06-16
GB/T 27751-2011銀鎳石墨電觸頭技術(shù)條件Specification for AgNiC contact2022-06-16
SJ 51648/1-1994ZF507型晶體振蕩器詳細規范Oscillator crystal Type ZF507,detail specification for2022-06-16
GB/T 7424.4-2003光纜 第4部分;分規范光纖復合架空地線(xiàn)Optical fibre cables—Part 4:Section specification—Opti...2022-06-15
WW/T 0031-2010古代壁畫(huà)脫鹽技術(shù)規范Technical specification for desalination of ancient murals2022-06-15
SJ 3156-1988QZNCS特種漆包圓銅線(xiàn)QZNCS specific enamelled round copper wire2022-06-15
SJ 20456-1994攝像管總規范General specification for camera tubes2022-06-15
SJ 51929/10-2000RJ57型高穩定金屬膜固定電阻器詳細規范Resistors,fixed,metal film,high stability,Style RJ57,Det...2022-06-15
SJ 20220-1992WT14型螺桿驅動(dòng)線(xiàn)繞預調電位器詳細規范Potentiometers,Preset,Wire-wound,Lead-screw actuated,Style ...2022-06-15
SJ 20037/3-1997LTB2B1013型可變電感器詳細規范Detail specification for Type LTB 2B1013 variable inductors...2022-06-14
SJ 20484-1995充氣穩壓管總規范General specification for gas-filled voltage stabilizing tubes2022-06-14
YS 5215-2000抽水試驗規程Specification for pumping test2022-06-14
SJ 20565-1996潛艇用無(wú)線(xiàn)氣象傳真接收機通用規范General specification for radio weateorogical facsimile receive...2022-06-14
SJ 51421/1-1998J36XFW4121型無(wú)接觸旋變發(fā)送機詳細規范Brushless resolver transmitter,Type J36XFW4121,Detail spe...2022-06-14
CB 1324-1998魚(yú)雷聲自導接收機規范Specification for receiver of acoustic torpedo homing2022-06-14
CB 858-2004P3.0MPa焊接銅法蘭規范Specification for P3.OMPa welded braze pipe flanges2022-06-14
欧美AAAAAA级午夜福利_国产福利写真片视频在线_91香蕉国产观看免费人人_莉莉精品国产免费手机影院
