Kōsekisetsu taisaku gijutsu no kōdoka ni kansuru kenkyū
Subtitle: seika hōkokusho : dai I-ki Shōwa 63--Heisei 2-nendo, dai II-ki Heisei 3--4-nendo : kagaku gijutsu shinkō chōseihi
Publisher: Kagaku Gijutsuchō Kenkyū Kaihatsukyoku
Published: 1993
Place of publication: [Tokyo]
Language: jpn
Number of pages: 266
Subjects: Technological innovations; Snow protection