Similarly as in bar 311, Chopin wrote the necessary naturals in A (→GE1→FE) only in the first triplet (in both hands). In this bar, the necessary additions were introduced only in EE and GE2.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: EE revisions, Accidentals in different octaves, GE revisions, Inaccuracies in A
notation: Pitch