Cleaning services - Basic requirements and recommendations for quality measuring systems.
清洁服务.质量测量系统的基本要求和建议

2002-02-22

Guide to BS EN 13549. Cleaning services, basic requirements and recommendations for quality measuring systems
BS EN 13549指南 清洁服务、质量测量系统的基本要求和建议

2001-08-15

Cleaning services - Basic requirements and recommendations for quality measuring systems; English version of DIN EN 13549
清洁服务.质量测量系统的基本要求和建议；德文版EN 13549:2001

2001-10-01

Public passenger transport. Basic requirements and recommendations for systems that measure delivered service quality
公共客运 衡量交付服务质量的系统的基本要求和建议

2010-01-31

Public passenger transport - Basic requirements and recommendations for systems that measure delivered service quality
公共客运.测量服务质量系统的基本要求和建议；德文版EN 15140:2006

2006-07-01

Public passenger transport - Basic requirements and recommendations for systems that measure delivered service quality
公共客运.服务质量测量系统的基本要求和建议

2006-10-31

质量管理体系　集中空调通风系统清洗消毒服务　要求
Quality management systems—Cleaning and disinfecting services of central air conditioning ventilation system—Requirements

2017-05-27

Телевидение вещательное цифровое. Расширенные технические требования к передаче транспортных потоков служб DVB по сетям с IP-протоколами. Часть 5. Качество службы. Возобновляемость системы. Динамическое управление службой. Основные параметры
数字视频广播（DVB） 通过具有IP协议的网络传输DVB服务传输流的扩展技术要求 第五部分 服务质量 系统的可更新性 动态服务管理 基本参数