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 > 標(biāo)準(zhǔn)下載>ISO 21157-2018 船舶和海上技術(shù)--低溫應(yīng)用用球閥--設(shè)計和試驗要求 Ships and marine technology — Ball valves for use in low temperature applications — Design and testing requirements免費下載
ISO 21157-2018 船舶和海上技術(shù)--低溫應(yīng)用用球閥--設(shè)計和試驗要求 Ships and marine technology — Ball valves for use in low temperature applications — Design and testing requirements ISO 21157-2018 船舶和海上技術(shù)--低溫應(yīng)用用球閥--設(shè)計和試驗要求 Ships and marine technology — Ball valves for use in low temperature applications — Design and testing requirements

ISO 21157-2018 船舶和海上技術(shù)--低溫應(yīng)用用球閥--設(shè)計和試驗要求 Ships and marine technology — Ball valves for use in low temperature applications — Design and testing requirements

  • 標(biāo)準(zhǔn)類別:
  • 標(biāo)準(zhǔn)大小:
  • 標(biāo)準(zhǔn)編號:ISO 21157-2018
  • 標(biāo)準(zhǔn)狀態(tài):現(xiàn)行
  • 更新時間:2023-10-06
  • 下載次數(shù):
標(biāo)準(zhǔn)簡介

This document specifies requirements for design, manufacture and test methods of cryogenic ball valves in order to have an excellent quality leakage stability in a very low temperature service (−196 °C to 80 °C).st edition 2018-11 Ships and marine technology — Ball valves for use in low temperature applications — Design and testing requirements Navires et technologie maritime — Robinets à boisseau sphérique destinés aux applications à basse température — Exigences de conception et d'essai Reference number ISO 21157:2018(E) ? ISO 2018 ISO 21157:2018(E) COPYRIGHT PROTECTED DOCUMENT ? ISO

標(biāo)準(zhǔn)截圖
下一條:返回列表
版權(quán):如無特殊注明,文章轉(zhuǎn)載自網(wǎng)絡(luò),侵權(quán)請聯(lián)系cnmhg168#163.com刪除!文件均為網(wǎng)友上傳,僅供研究和學(xué)習(xí)使用,務(wù)必24小時內(nèi)刪除。