DIN EN ISO 14001:2009
Occupational Health and Safety Assessment Series BS OHSAS 18001:2007
API American Petroleum Institut
RAL Gütegemeinschaft Weichstoffkompensatoren e.V.[German Institute for Quality Assurance and Marking]
BMEcat electronic product catalogs
KTA 1401 E.ON
KTA 1401 AREVA
