timstoicpms
第2楼2015/06/29
附件PDF第6页写到:标液遵从ISO 9001, ISO Guide34, ISO/IEC 17025,有溯源证书
附件PDF第5页写到:The standards have a long shelf life, up to 18 months(18个月=一年半), supported by long-term stability studies performed as part of the requirements for Guide 34 accreditation.