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Radar positioning system accuracy test [microform] / by Walter K. Utt (Report of investigations ; 9602)

Radar positioning system accuracy test [microform] / by Walter K. Utt (Report of investigations ; 9602)
Microform図書
1995<YCA-I 28.23:9602>
National Diet Library
  • Subject HeadingMine haulage -- Safety appliances -- Testing Strip mining -- Eq...

In-mine evaluation of smoke detectors microform / by G.S. Morrow and C.D. Litton (Information circular ; 9311)

In-mine evaluation of smoke detectors microform / by G.S. Morrow and C.D. Litton (Information circular ; 9311)
Microform図書
1992<YCA-I 28.27:9311>
National Diet Library
  • Subject Heading...ors -- Testing Mine haulage -- Safety appliances

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