Kōsekisetsu taisaku gijutsu no kōdoka ni kansuru kenkyū
Subtitle: seika hōkokusho : dai I-ki Shōwa 63--Heisei 2-nendo : kagaku gijutsu shinkō chōseihi
Publisher: Kagaku Gijutsuchō Kenkyū Kaihatsukyoku
Published: 1992
Place of publication: [Tokyo]
Language: jpn
Number of pages: 270
Subjects: Technological innovations; Snow protection