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Steel "bridges"
Materials and methods employed in punching and forming heavy steel culvert sections; corrugating and punching done together on one machine with automatic feed, second machine accurately forms desired curvature.
Steel "bridges"
Materials and methods employed in punching and forming heavy steel culvert sections; corrugating and punching done together on one machine with automatic feed, second machine accurately forms desired curvature.
Wiley | 2021
|British Library Online Contents | 1998
|British Library Conference Proceedings | 1963
|Wiley | 2013
|Engineering Index Backfile | 1934