Dai Tōa Kyōeiken gijutsu taiseiron
By: Kokusaku Kenkyūkai [chosha daihyōsha Hirano Akira]
Contributors: Kokusaku Kenkyūkai (Japan)
Series: Dai Tōa Mondai Chōsakai kenkyū hōkoku -- dai 8-kan
Publisher: Nihon Hyōronsha
Published: 1945
Place of publication: Tōkyō
Language: jpn
Number of pages: 114
Subjects: Technological innovations; Relations
Notes: Issued as confidential document.