Germany https://www.oiml.org/en/oiml-cs/capabilities/81 https://www.oiml.org/logo.png Germany PTB TL - info for website R51_2006.pdf PTB TL Bizerba - info for website.pdf PTB TL PTB - info for website R60_2000.pdf PTB TL PTB - info for website R76_2006.pdf NMO TL Sartorius - info for website R76_2006.pdf