Home / Standards / GB/T 11693-2008 GB/T 11693-2008 Abolished Welded bed plate for flanges of ship pipe 船用法兰焊接座板 Standard Type GBT ICS 47.020.30 CCS U55 Status 废止 Issue Date 2008-10-20 Implementation 2009-04-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委