Home / Standards / GB 17673-1999 GB 17673-1999 Abolished Welded steel cylinders for liquefied propylene and propane gases 液化丙烯、丙烷钢质焊接气瓶 Standard Type GB ICS 23.020.30 CCS J74 Status 废止 Issue Date 1999-02-11 Implementation 1999-11-01 Responsible Dept 国家标准委 Drafting Unit N/A