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ParsevalBroschuere. ParsevalLuftschiff PL en Page of the Broschuere der LuftfahrzeugGmbH showing PL at metres above Bitterfeld Berlin Broschuere der LuftfahrzeugGmbH Parseval aus dem Nachlass von Theodor Kiefer Chefingenieur bei Parseval ca anonymous anonymous published more than years ago AnonymousEU File ParsevalBroschuere