DIN Standards Committee Water Practice
ISO 4793
Laboratory sintered (fritted) filters; Porosity grading, classification and designation
Laboratoriumsfilter, gesintert (gefrittet); Gradation nach Porosität, Klassifikation und Bezeichnung
Responsible national committee
NA 055-01-03 AA - Glass devices and apparatus
Responsible international committee
ISO/TC 48/SC 7 - Non-measuring equipment made of glass, plastic and ceramics