Akisake shingyo no hyōshiki hōryū shiken
Subtitle: Shōwa 47-nendo
Publisher: Aomori-ken Suisan Shikenjō
Published: 1973
Place of publication: [Ajigasawa-machi]
Language: jpn
Number of pages: 24
Other titles: Akisake oyazakana no hyōshiki hōryū shiken