Home / Standards / GB/T 28487-2012 GB/T 28487-2012 Active Precious metal alloys chains - Determination of tensile strength - Method of tensile testing 贵金属及其合金链 抗拉强度的测定 拉伸试验法 Standard Type GBT ICS 39.060 CCS Y88 Status 现行 Issue Date 2012-06-29 Implementation 2012-11-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A