創立50周年記念誌
By: Chiba-ken Sangyō Shikenjō
Publisher: Chiba-ken Sangyō Shikenjō
Published: 1961
Place of publication: Chiba
Language: jpn
Number of pages: 29
Subjects: History; Sericulture; Chiba-ken Sangyō Shikenjō
Other titles: Sōritsu 50-shūnen kinenshi; Sōritsu gojisshūnen kinenshi.
Notes: Cover title.