Home / Standards / GB/T 4393-1995 GB/T 4393-1995 Technical Specification for Open-End Wrenches, Box Wrenches, and Combination Wrenches — Replacement 呆板手、梅花板手、两用板手技术规范 代替 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