Home / Standards / GB/T 28267.4-2015 GB/T 28267.4-2015 Active Steel cord conveyor belts—Part 4: Vulcanized belt joints 钢丝绳芯输送带 第4部分:带的硫化接头 Standard Type GBT ICS 53.040.20 CCS G42 Status 现行 Issue Date 2015-12-31 Implementation 2016-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A