Shina no sanshu ni kansuru gijutsu chōsa hōkoku
Publisher: Kōain
Published: 1941
Place of publication: [Tokyo]
Language: jpn
Number of pages: 511
Subjects: Sericulture; Bibliography
Notes: Cover title.

Issued as confidential document.

"Naka Shina jūyō kokubō shigen kiito chōsa hōkoku nukizuri."