Home / Standards / GB/T 26711-2011 GB/T 26711-2011 Abolished Microporous nib pens 微孔笔头墨水笔 Standard Type GBT ICS 97.180 CCS Y50 Status 废止 Issue Date 2011-06-16 Implementation 2011-12-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会