Yazar
George H Schnakenberg
4 cilt bulundu.
George H. Schnakenberg · U.S. Dept. of the Interior, Bureau of Mines
15 sayfa · 1989
Coal-mining machinery / Data processing / Industrial Robots / Research
George H. Schnakenberg · U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory
51 sayfa · 2002
Alternate fuels / Diesel motor / Diesel motor exhaust gas / Mining machinery / Motors (Diesel)
George H Schnakenberg · U.S. Dept. of the Interior, Bureau of Mines
11 sayfa · 1976
Samplers / Dosimeters
George H. Schnakenberg Jr, Aleksandar D. Bugarski, Centers for Disease Control and Preventi · CreateSpace Independent Publishing Platform
60 sayfa · 2002
Kategori yok