• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information
Standards [CURRENT]

OENORM EN 13549
Cleaning services - Basic requirements and recommendations for quality measuring systems

Title (German)

Reinigungsdienstleistungen - Grundanforderungen und Empfehlungen für Qualitätsmesssysteme

Edition 2001-10-01
Original language German
Price from 90.00 €