国产aaaa级全身裸体精油片_337p人体粉嫩久久久红粉影视_一区中文字幕在线观看_国产亚洲精品一区二区_欧美裸体男粗大1609_午夜亚洲激情电影av_黄色小说入口_日本精品久久久久中文字幕_少妇思春三a级_亚洲视频自拍偷拍

首頁 > verification
  • GB/T 27029-2022合格評(píng)定 審定與核查機(jī)構(gòu)通用原則和要求Conformity assessment—General principles and requiremen...2022-10-27
  • JB/T 9151.4-1999緊固件測(cè)試方法.尺寸與幾何精度.墊圈Method of verification for fastenes - Size and geometry - ...2022-06-14
  • JJG 607-2003聲頻信號(hào)發(fā)生器檢定規(guī)程Verification Regulation of Audio-frequency Signal Generator2022-06-14
  • JJG 711-1990明渠堰槽流量計(jì)試行檢定規(guī)程Verification Regulation of Weirs and Flumes for Flow Measurement...2022-06-14
  • JJG 537-2006熒光分光光度計(jì)Verification Regulation of Fluorescence Spectrophotometer2022-06-13
  • GB/T 27664.2-2011無損檢測(cè).超聲檢測(cè)設(shè)備的性能與檢驗(yàn).第2部分:探頭Non-destructive testing—Characterization and ...2022-06-13
  • JJG 366-2004接地電阻表Verification Regulation of Earth Resistance Meters2022-06-13
  • GB/T 27664.1-2011無損檢測(cè).超聲檢測(cè)設(shè)備的性能與檢驗(yàn).第1部分:儀器Non-destructive testing—Characterization and ...2022-06-10
  • JJG 153-1996標(biāo)準(zhǔn)電池檢定規(guī)程Verification Regulation of Standard Cell2022-06-10
  • DL/T 1112-2009交、直流儀表檢驗(yàn)裝置檢定規(guī)程Verification code of verification equipment for AC&DC meter...2022-06-10
  • GB/T 19889.2-2005聲學(xué) 建筑和建筑構(gòu)件隔聲測(cè)量 第2部分;數(shù)據(jù)精密度的確定、驗(yàn)證和應(yīng)用Acoustics-Measurement of s...2022-06-10
  • JJG 998-2005激光小角度測(cè)量?jī)xVerification Regulation of Laser Measuring Instruments for Small Angles2022-06-10
  • QJ 3175-2003航天型號(hào)軟件產(chǎn)品驗(yàn)收與交付Verification and acceptance for space softwave product2022-06-10
  • GB/T 18699.2-2002聲學(xué) 隔聲罩的隔聲性能測(cè)定 第2部分;現(xiàn)場(chǎng)測(cè)量(驗(yàn)收和驗(yàn)證用)Acoustics-Determination of sound ...2022-06-10
  • JJG 275-2003多刃刀具角度規(guī)Verification Regulation of the Protractors for Multiple Point Tool2022-06-10
  • JJG 56-2000工具顯微鏡檢定規(guī)程Verification Regulation of Toolmakers Microscope2022-06-10
  • YZ/T 0083.5-2002機(jī)要通信業(yè)務(wù)單據(jù)格式.第5部分:復(fù)單Form of service of confidential communication part 5:respon...2022-06-10
  • JJG 868-1994毫瓦級(jí)標(biāo)準(zhǔn)超聲源檢定規(guī)程Verification Regulation of Standard ultrasonic sources for Milliwattleve...2022-06-09
  • GB/T 1144-2001矩形花鍵尺寸、公差和檢驗(yàn)Straight-sided spline--Dimensions,tolerances and verification...2022-06-09
  • GB/T 24762-2009產(chǎn)品幾何技術(shù)規(guī)范(GPS).影像測(cè)量?jī)x的驗(yàn)收檢測(cè)和復(fù)檢檢測(cè)Geometrical Product Specifications(GPS)—...2022-06-09
  • JJG 278-2002示波器校準(zhǔn)儀Verification Regulation of Oscilloscope Calibrator2022-06-08
  • JJG 241-2002精密杯形和U形液體壓力計(jì)Verification Regulation of Precision Liquid Manometer for Cistern and U-t...2022-06-08
  • JJG 204-1980氣象用通風(fēng)干濕表檢定規(guī)程Verification Regulation of Meteorological Ventilation Psychrometer...2022-06-08
  • JJG 963-2001通信用光波長(zhǎng)計(jì)檢定規(guī)程Verification Regulation of Optical Wavelength Counters in Telecommunicatio...2022-06-08
  • JJG 844-1993回潮率測(cè)定儀Verification Regulation of Regain Testing Machine2022-06-08