Coal-mine gases
technical information for use in vocationa training classes
Rev. ed., 1931. Issued by the Federal board for vocational education, Washington, D.C.
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Contributions
- Callen, Alfred C. (Alfred Copeland), 1888-1951 - Contributor
- United States. Bureau of Mines - Contributor
Publication
1931 - U.S. Govt., print. off., Washington, District of Columbia
Language
English
Word Count
10,250 words, Guess
Page Count
41 pages
Identifiers
- Library of Congress Control Numbere31000433
- OCLC Control Number3184816
- Open LibraryOL45059535M
Classifications
- LCCLC1045 .A28 no. 39
- LCCLC1045.A25 no. 39 .A28 no. 39
Subjects
Topics
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