餐饮服务业 餐饮具清洗消毒评价规程
Catering service industry Procedures for evaluation oftableware cleaning and disinfection
Catering service industry Procedures for evaluation oftableware cleaning and disinfection
Household and similar electrical appliances-Safety-Part 1;General requirementsn(IEC 60335-1:2004(Ed4.1),IDT)
Household and similar electrical appliances-Safety-Part 1;General requirementsn(IEC 60335-1:2004(Ed4.1),IDT)