Home / Standards / GB/T 16930.2-2009 GB/T 16930.2-2009 Abolished Tactile sticks - Technical specification 盲杖 技术条件 Standard Type GBT ICS N/A CCS C45 Status 废止 Issue Date 2009-03-16 Implementation 2009-09-01 Responsible Dept 民政部 Drafting Unit N/A