Laboratory glassware; one-mark pipettes; short delivery time, waiting time 15 s, class ASVerrerie de laboratoire; pipette à un trait; rapid flow time, waiting time 15 s, class A Issued in agreement with Physikalisch-Technische
DIN 12691:1975 history
2009DIN EN ISO 648:2009 Laboratory glassware - Single-volume pipettes (ISO 648:2008); English version of DIN EN ISO 648:2009-01
1975DIN 12691:1975 Laboratory glassware; one-mark pipettes, short delivery time, waiting time 15 s, class AS