NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
DIN 4716-1 [Withdrawn] references following documents:
Document number | Edition | Title |
---|---|---|
DIN 38406-1 | 1983-05 | German standard methods for the examination of water, waste water and sludge; cations (group E); determination of iron (E 1) More |
DIN 38406-2 | 1983-05 | German standard methods for the examination of water, waste water and sludge; cations (group E); determination of manganese (E 2) More |