Mã sản phẩm: DRRR-PT
Trạng thái: Có sẵn
Xuất xứ: DRRR-Đức
The "Deutsches Referenzbüro für Ringversuche und Referenzmaterialien" (DRRR GmbH) is an ISO/IEC 17043 accredited proficiency testing provider and provider of certified reference material. For more than 15 years, the DRRR has been offering services in the field of quality assurance.
https://odin.drrr.de/auth/login?lang=en
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