Shōwa jūyonendo hirenagamaguro gyojō kaihatsu shōrei seiseki
Publisher: Nōrinshō Suisankyoku
Published: 1940
Place of publication: [Tokyo]
Language: jpn
Number of pages: 173
Subjects: Tuna fisheries; Government policy; Bluefin tuna
Other titles: Hirenagamaguro gyojō kaihatsu shōrei seiseki.
Notes: Cover title.

Issued as confidential document.