我与乡下少妇的性事_色琪琪综合男人的天堂aⅴ视频_大胸喂奶秘书3p高h_国产一区二区视频在线播放_国产老头gay和老头gay视频_中文字幕亚洲欧美_国产男人搡女人免费视频_伊人色综合久久天天五月婷_崔雪莉被金秀贤握胸动态图_毛片在线视频观看

首頁 > 標準下載>ASTM B248-2017 鍛制銅與銅合金中厚板、薄板、帶材和軋制棒材的一般技術要求規(guī)格 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate,Sheet,Strip,and Rolled Bar免費下載
ASTM B248-2017 鍛制銅與銅合金中厚板、薄板、帶材和軋制棒材的一般技術要求規(guī)格 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate,Sheet,Strip,and Rolled Bar ASTM B248-2017 鍛制銅與銅合金中厚板、薄板、帶材和軋制棒材的一般技術要求規(guī)格 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate,Sheet,Strip,and Rolled Bar

ASTM B248-2017 鍛制銅與銅合金中厚板、薄板、帶材和軋制棒材的一般技術要求規(guī)格 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate,Sheet,Strip,and Rolled Bar

  • 標準類別:
  • 標準大小:
  • 標準編號:ASTM B248-2017
  • 標準狀態(tài):現(xiàn)行
  • 更新時間:2023-07-09
  • 下載次數(shù):
標準簡介

1.1 This specification establishes the general requirements common to several wrought product specifications. Unless otherwise specified in the purchase order or in an individual specification, these general requirements shall apply to copper and copper-alloy plate, sheet, strip, and rolled bar supplied under each of the following product specifications issued by ASTM: B19, B36/B36M, B96/B96M, B103/B103M, B121/B121M, B122/B122M, B130, B152/B152M, B169/B169M, B194, B422/B422M, B465, B534, B591, B592, B694, B740, B747, B768, B888/B888M, and B936.2 1.2 Units—This specification is the companion specification to SI Specification B248M; therefore, no SI equivalents are shown in this specification. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

標準截圖
下一條:返回列表
版權:如無特殊注明,文章轉(zhuǎn)載自網(wǎng)絡,侵權請聯(lián)系cnmhg168#163.com刪除!文件均為網(wǎng)友上傳,僅供研究和學習使用,務必24小時內(nèi)刪除。