Bōsai nettowāku kōchiku kanōsei chōsa chōsa hōkokusho
Subtitle: Heisei 18-nendo "sekiyu gasu kyōkyū jigyō anzen kanri gijutsu kaihatsu tō jigyō"
Publisher: KDDI Kabushiki Kaisha
Published: 2007
Place of publication: [Tokyo]
Language: jpn
Number of pages: 50
Subjects: Natural disaster warning systems; Telephone; Emergency reporting systems; Liquefied petroleum gas; Safety measures
Notes: Includes bibliographical references (p. [50]).