Yunyūtan no antei kyōkyū kakuho ni mukete no sekai no sentan gijutsu no jittai oyobi dōkō chōsa
Subtitle: kaigaitan kaihatsu kōdoka tō chōsa
Series: Heisei 25-nendo kaigaitan kaihatsu shien jigyō
Publisher: Sekiyu Tennen Gasu, Kinzoku Kōbutsu Shigen Kikō
Published: 2014
Place of publication: Tōkyō-to Minato-ku
Language: jpn
Number of pages: 145
Subjects: Coal preparation; Coal trade
Notes: Includes bibliographical references.