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DIN 19569-3:2002-12

Действует
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 3: Specific principles for the equipment for aerobical biological wastewater treatment — 28 стр.
DIN 19569-3:1995-01
Отменен
DIN 19569-3:2002-12
Действует
DIN 19569-3:2002-12
Действует