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Poster ventil - Seite 31
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Poster porträt eines petrochemischen Industriearbeiters, der an Gasrohren in einer Raffinerie steht.
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Poster installation von Kupferrohren für die Wasserversorgung des Kamins, Heizung im Haus mit Kamin.
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Poster pumpstation zur industriellen Stadtwasseraufbereitung mit Umkehrosmose. Weitwinkelperspektive
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