Physikalisch-Technische Bundesanstalt - PTB (Braunschweig)
Responsible for the content of the PTB Ex Proficiency Testing website are the following persons of the PTB Ex-Proficiency Testing team.
Z.182 Web services and development
Accessing the information on this website is at your own risk. Neither PTB nor the PTB Ex-Proficiency Testing team takes responsibility for any files uploaded to this website by the participating laboratories or third party contents made available by external links.