Home / Standards / GBT 29001.2-2012 GBT 29001.2-2012 NCUC-Bus Fieldbus Protocol Specification for Machine Tool Numerical Control Systems—Part 2: Physical Layer 机床数控系统 NCUC-Bus现场总线协议规范 第2部分:物理层 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