Electricity in coal mining.

出版社:Berlin : [s.n.], 1926.
出版年:1926
作者:Allgemeine Elektricitats-Gesell-Schaft,Berlin.
资源类型:图书
细分类型:馆内阅览
相关推荐

The economics of coal mining.

  • 作者:Dron,Robert W.
  • 出版社:London : Arnold, 1928.
  • 出版年:1928

Mechanization, employment, and output per man in bituminous-coal mining.

  • 作者:Hotchkiss,Willard E.
  • 出版社:Philadelphia : Work Projects Adminstration, National Research Project and Department of the Interier

Preliminary report of the Federal Trade Commission on investment and profit in soft-coal mining.

  • 作者:U.S. Federal Trade Commission.
  • 出版社:Wash. : U.S. Govt. Print. Off., 1922.
  • 出版年:1922

Introduction to mining.

  • 作者:Stoces,Bohuslav
  • 出版社:London : Pergamon, 1958
  • 出版年:1958

Remote control and monitoring in mining.

  • 作者:International Conference on Remote Control and Monitoring in Mining
  • 出版社:London : NCB, 1978.
  • 出版年:1978

Coal mining

  • 作者:Jones,Donald C.
  • 出版社:[S.l. : s.n.], 1943-
  • 出版年:1943