GB/T 31771-2015

Housekeeping service—Specification for service quality of maternal and child life

NORM herausgegeben am 3.7.2015

The information about the standard:

Designation standards: GB/T 31771-2015
Note: UNGÜLTIG
Publication date standards: 3.7.2015
Country: Chinese technical standard
Kategorie: Technische Normen GB