検索結果を絞り込む
井口 竹次郎 工業教育 16 (1), 1_3-4, 1968-12-01
DOI Web Site
井口 竹次郎 生活衛生 2 (5), 182-182, 1958
DOI
井口 竹次郎 燃料協会誌 33 (2), 53-60, 1954
Japan's energy resources, i.e., coal, petroleum, wood and electricity were discussed in view of general economical situations in the future.In partic-ular, the importance of gas industry in …
井口 竹次郎 燃料協会誌 30 (3-4), 63-63, 1951