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Wikibetonia? So ähnlich:
Das Beton-Wiki unserer deutschen Kollegen hat sich prächtig entwickelt – und sieht seit Jänner auch noch besser aus! Im neuen Outfit macht sich dieses wichtige Nachschlagewerk rund um den Baustoff Beton gleich noch besser:
>> www.beton-wiki >>
>> ÜBERSICHT "AUS DER WELT DES BETONS" >>