NA 055
DIN Standards Committee Laboratory Devices and Installations
Draft standard
DIN 12540
DIN 12540
Laboratory glassware - Stopcocks, cone 1 : 10 - Conditions for interchangeability
Title (German)
Laborgeräte aus Glas - Kegelhähne, Kegel 1 : 10 - Austauschbarkeitsbedingungen