Complex sentence: During the war Bich had seen a ballpoint pen manufactured in Argentina by László Bíró and between 1949 and 1950 the Bic Cristal was designed by the "Décolletage Plastique" design team at "Société PPA" (later "Société Bic").
Split into simpler sentences: During the war Bich had seen a ballpoint pen manufactured in Argentina by László Bíró. Between 1949 and 1950 the Bic Cristal was designed by the "Décolletage Plastique" design team at "Société PPA" (later "Société Bic").