Pipe fittings and joint assemblies for polybutene pressure pipes - Type PB 125 - Part 7: Dimensions of bushings, flanges and selaing elements for socket welding
German title
Rohrverbindungen und Formstücke für Druckrohrleitungen aus Polybuten (PB) - PB 125 - Teil 7: Bunde, Flansche, Dichtringe für Muffenschweißung, Maße
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