Hokuyō hōmen kishō gaikyōzu
Series: Kaigun Kishōbu hi -- dai 454-gō
Publisher: Suirobu
Published: 1941
Place of publication: [Tokyo]
Language: jpn
Number of pages: 13
Subjects: Meteorology; Marine meteorology; Charts, diagrams
Notes: Title from envelope.

Issued as confidential document.

Issued in envelope.