Home / Standards / HG/T 2333 HG/T 2333 真空用O形圈橡胶材料 真空用O形圈橡胶材料 Standard Type HGT ICS 83.140.99 CCS G43 Status N/A Issue Date N/A Implementation N/A Responsible Dept 发布日期:1992-06-01 Drafting Unit N/A