Home / Standards / GB/T 6770-2020 GB/T 6770-2020 Active Special safety regulations for driver's cabs of locomotives 机车司机室特殊安全规则 Standard Type GBT ICS 29.280 CCS S35 Status 现行 Issue Date 2020-06-02 Implementation 2021-01-01 Responsible Dept 国家铁路局 Drafting Unit N/A