About INOUE MASAHIRO
About UCHINO KEN'ICHI
About KOMAI TAKESHI
About 公害資源研
About ISEI TAKEHIRO
About 公害資源研
About MURAKAMI TOMOHIRO
About 石炭技研
About UMEZU MINORU
About 石炭技研
About coal mine
About Mine fire,explosion and gas
About Mine ventilation
About 坑内火災
About 通気
About 風速
About 実験的研究
About 研究