Home / Standards / GB/T 20850-2014 GB/T 20850-2014 Abolished Safety of machinery―Guidelines for the understanding and use of safety of machinery standards 机械安全 机械安全标准的理解和使用指南 Standard Type GBT ICS N/A CCS J09 Status 废止 Issue Date 2014-12-22 Implementation 2015-10-01 Responsible Dept 国家标准委 Drafting Unit N/A