Ultrasonic convergence measurements
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Author
Publication
1984 - U.S. Dept. of the Interior, Bureau of Mines, Pittsburgh, PA, Pennsylvania
Language
English
Word Count
2,750 words, Guess
Page Count
11 pages
Identifiers
- Library of Congress Control Number84600106
- Open LibraryOL2998643M
Classifications
- DDC622 s
- DDC622/.8
- LCCTN235 .U43 no. 8893
and 1 more
- LCCTN295 .U43 no. 8893
Subjects
Topics
Safety measuresMine roof controlUltrasonic testingCoal mines and miningEquipment and suppliesCoal mines and mining -- Safety measures -- Equipment and supplies
Series Statement
- Report of investigations ;
- 8893
- Report of investigations (United States. Bureau of Mines) ;
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