Odoo Server 15.0 - en to pt_BR translation catalogue (3 entries)

note: module: mass_mailing_slides
en: Contact Attendees
pt_BR: Contato dos Participantes

note: module: mass_mailing_slides
en: Course
pt_BR: Curso

note: module: mass_mailing_slides
en: Mass Mail Course Members
pt_BR: Membros do Curso de E-mail em Massa
