Contact
PTB Braunschweig:
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Phone: +49 (0)531-592-0
E-mail: info(at)ptb.de
Address:
Bundesallee 100
D-38116 Braunschweig
PTB Berlin:
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Phone: +49 (0)30-3481-0
E-mail: info(at)ptb.de
Address:
Abbestraße 2-12
D-10587 Berlin-Charlottenburg