Shin Kōga hikōki teisatsu hōkoku
Series: Hōgun chōshi -- dai 69-gō
Publisher: Tada Butai Sanbōbu
Published: 1939
Place of publication: [Peking?]
Language: jpn
Number of pages: 19
Subjects: Aerial photographs; Flood control
Notes: Cover title.

Issued as confidential document (stamped).

On double leaves.