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B&T Metall Galvanised steel T-profile 30 x 30 x 4 mm isosceles in lengths of 1500 mm +/-5 mm S235 (1.0038 ST37) T-bar T 30 hot-dip galvanised : Amazon.de: DIY & Tools
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Stahl T Profil 50 x 50 x 6 mm - B&T Metall- und Kunststoffhandel GmbH