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Symbol Shuttle valve with numbers.svg Wechselventil Symbol en Symbol for Shuttle valve Selbst erstellte Grafik Tueftli SymbolShuttlevalve svg Tueftli Original upload log de Micha Sobkowski CommonsHelper de Wechselventil svg Tueftli bytes no Andere Versionen Tueftli bytes no Andere Versionen SymbolShuttlevalve svg Tueftli