DIN 19615:1971-10

Отменен

Sodium Hydroxide for Water Treatment; Technical Conditions of Delivery — 2 стр.

Ссылочные документы

DIN EN 896:1998-12

Отменен

Chemicals used for treatment for water intended for human consumption - Sodium hydroxiyde; German version EN 896:1998 — 13 стр.

На этот документ ссылаются

DIN 2000:1973-11

Отменен

Central drinking water supply; Basic principles relating to the requirements on drinking water Planing, construction and operation of the installations — 29 стр.

DIN EN 896:1998-12

Отменен

Chemicals used for treatment for water intended for human consumption - Sodium hydroxiyde; German version EN 896:1998 — 13 стр.