Home / Standards / GB/T 18019-2009 GB/T 18019-2009 Geometrical product specifications — Limits and fits — Selection of tolerance zones and fits 产品几何技术规范 极限与配合 公差带和配合的选择 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A