NA 119
DIN Standards Committee Water Practice
Standards
[Withdrawn]
DIN 4924
DIN 4924
Filter Sands and Filter Gravels for Well Filters
Title (German)
Filtersande und Filterkiese für Brunnenfilter
Document: referenced in other documents
Responsible national committee
NA 119-07-03-01 UA - Components and products for drilling technology and well construction