石油鑛業における合理化
By: Sumiya Mikio ; Tsūshō Sangyō[shō] Daijin Kanbō Chōsa Tōkeibu Chōsaka hen
Series: Chōsa shiryō -- 9; Sangyō kumiai chōsa shiryō -- 9
Publisher: Tsūshō Sangyō Chōsakai
Published: 1951
Place of publication: Tōkyō
Language: jpn
Other titles: Sekiyu kōgyō ni okeru gōrika