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The Association of German Engineers (VDI) with almost 150,000 members, of whom more than a third are students and engineers younger than 33 years of age, is one of the biggest technical- scientific associations in Europe. VDI has extended its activities successfully both nationally and internationally over the years and it has been making great efforts to spread knowledge in the areas related to technologies. As a financially independent, politically unclassified and non-profit organization, it is respected by engineers as well as by professionals and the general public.
Emission control of sulphur dioxide; chips conveyors for the production of town gas; coke oven plants and gas works.
(Auswurfbegrenzung von Schwefeldioxid; Spaltanlagen zur Stadtgaserzeugung; Kokereien und Gaswerke.)
WITHDRAWN published on 1.12.1966
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Emission control; pit coal briquetting plants.
(Emissionsminderung; Steinkohlen-Brikettfabriken.)
WITHDRAWN published on 1.7.1983
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Emission control; coal-preparation plants incl. driers.
(Emissionsminderung; Aufbereitungsanlagen für Steinkohlen einschließlich Trocknungsanlagen.)
WITHDRAWN published on 1.5.1981
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Emission control - Coal preparation plants including driers.
(Emissionsminderung - Aufbereitungsanlagen für Steinkohlen einschließlich Trocknungsanlagen.)
WITHDRAWN published on 1.9.2011
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Emission control; brown coal briquetting plants.
(Auswurfbegrenzung; Braunkohlen-Brikettfabriken.)
WITHDRAWN published on 1.12.1967
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Emission control; nitric acid production.
(Auswurfbegrenzung; Salpetersäureanlagen.)
WITHDRAWN published on 1.3.1974
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Emission control; nitric acid production.
(Emissionsminderung; Salpetersäureanlagen.)
WITHDRAWN published on 1.9.1983
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Emission control; production of hydrogen fluoride, hydrofluoric acid, and cryolite.
(Emissionsminderung; Herstellung von Fluorwasserstoff, Flußsäure und Kryolith.)
WITHDRAWN published on 1.11.1987
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(Auswurfbegrenzung; Schwefeldioxid und Schwefeltrioxid aus Schwefelsäureanlagen.)
WITHDRAWN published on 1.8.1970
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Emission control; sulphuric acid plants.
(Emissionsminderung; Schwefelsäureanlagen.)
WITHDRAWN published on 1.9.1984
Selected format:Latest update: 2025-12-26 (Number of items: 2 253 153)
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