Claim: Meitetsu 3300 series was introduced in 2004, a sixth and seventh set were deliver in 2015 but differs to 3150 series.
Evidence: First introduced in 2004, five four-car sets were built by 2005. A sixth set, 3306, was delivered in January 2015. A seventh set, 3307, was delivered in August 2015. This set differs from earlier sets in having the revised livery applied to 3150 series set 3167.