TECHNICAL CHARACTERISTICS OF COAL AND THEIR RELATIONSHIP WITH ORIGINAL CONDITION OF SOME COAL MINE IN NORTHEASTERN AREA, VIETNAM

অনুরূপ উপাদানগুলি

• The transfer of coal-mining technology for Japan to Manchuria and manpower problems, focusing on the development of the Fushun Coal Mines
  অনুযায়ী: Murakushi, Nisaburo
  প্রকাশিত: (1981)
• Coal coke and coal chemicals
  অনুযায়ী: Wilson, Philip J
  প্রকাশিত: (2018)
• Coal coke and coal chemicals
  অনুযায়ী: Bell, Luke
  প্রকাশিত: (2018)
• The wlfare of workers in mines other than coal mines :
  প্রকাশিত: (1975)
• Coal ; economic problems of the mining, marketing and consumption of anthracite and soft coal in the United States /
  অনুযায়ী: Devine, Edward T.
  প্রকাশিত: (1925)