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Eight-piece Concrete Sets for Small Mine Openings
Philip G. Clites
C. C. Shale
Carl F. Wingquist
Claudius W. Dwiggins
George H. Keith
Jim E. Murphy
John Nagy
Joseph W. Town
Karl C. Dean
Karl-Heinz Frohne
L. B. Pankratz
Mary A. Barrett
Maynard O. Serbousek
Merle L. Bowser
Ralph B. Adair
Robert Lynn Crosby
Donald H. Desy
Edward Morrice
George E. Fasching
James S. Browning
John W. Conn
K. Robert Dorman
Leo A. Schrider
Philip E. Sanker
Richard Havens
Robert A. Beall
W. W. Weller
William E. Thomas
William G. Gruzensky
Hal J. Kelly
Harry C. Verakis
Kimball T. Harper
M. K. Romeo
Morton Min Wong
其他書名
A Progress Report
出版
U.S. Department of the Interior, Bureau of Mines
, 1969
URL
http://books.google.com.hk/books?id=L3fnOfR0y5sC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN