ECREF European Centre for Refractories gGmbH Lndwdi1wYWdpbmF0aW9uLW5hdi1saW5rc1tkYXRhLXRvb2xzZXQtdmlld3Mtdmlldy1wYWdpbmF0aW9uLWJsb2NrPSJjZGZkNGM0NzM3YjI4OThlYmE0NDQzZGQ1OWExYmY1MCJdIHsgdGV4dC1hbGlnbjogbGVmdDtqdXN0aWZ5LWNvbnRlbnQ6IGZsZXgtc3RhcnQ7IH0g Contact Categories Related Articles Rheinstr. 58 56203 Höhr-Grenzhausen DE +49 2624 9433 140 +49 2624 9433 145 office@ecref.eu https://www.ecref.eu Consulting, Technology Back