https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=325040
Canada Department of Energy, Mines and Resources, 1963
Colour laminated modelling clay was used for work pieces in a 1/8 in. scale investigation of portions of a steel tube making process in an attempt to increase...
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