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DIN 19569-4

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DIN 19569-4 Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 4: Specific principles for shutoff devices as penstocks, sluice gates, stoplogs etc.

standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2000

$24.44

-56%

$55.54