Permissible mine equipment approved during the calendar years 1953-54 / by R.A. Kearns and H.B. Brunot.
Saved in:
Main Author: | |
---|---|
Corporate Author: | |
Other Authors: | |
Format: | Government Document Book |
Language: | English |
Published: |
[Washington, D.C.] :
United States Bureau of Mines,
1955.
|
Series: | Information circular (United States. Bureau of Mines) ;
7722. |
Subjects: |