He received the Légion d'honneur in 1925 for his services during the war and was active in the Fédération ouvrière et paysanne des anciens combattants, a veterans association.
In June 1940, he was one of the 80 who voted against the grant of special powers to Philippe Pétain and the creation of the Vichy régime.
Bedin was active in the French Resistance and was a member of the Comité d'action socialiste, the clandestine form of the banned SFIO.
He later received the Médaille de la Résistance for his services and was made a commander of the Légion d'honneur.
He failed to win re-election as conseiller général in October 1945 and did not stand for election to the new National Assembly.