标准号:IS 9000 Pt.20-1979
发布日期:1979/11/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard ( Part XX ) deals with the procedure for assessing resistance of electronic and electrical items and permanence of their markings to cleaning solvents, as a part of basic environmental testing procedures.