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Evaluation of structures for roof-fall areas microform / by Richard A. Allwes and C.P. Mangelsdorf (Report of investigations ; 9414)

Evaluation of structures for roof-fall areas microform / by Richard A. Allwes and C.P. Mangelsdorf (Report of investigations ; 9414)
Microform図書
1992<YCA-I 28.23:9414>
National Diet Library
  • Subject HeadingMine roof control Metal arches -- Testing

Streckenausbau in Stahl : ein Handbuch für die Praxis

Streckenausbau in Stahl : ein Handbuch für die Praxis
Paper図書
im Auftrage des Steinkohlenbergbauvereins, Essen, und der Beratungsstelle für Stahlverwendung, Düsseldorf, herausgegeben von Fritz Spruth ; unter Mitwirkung von Karl Drekopf ... [et al.]Verlag Glückauf1955
Other Libraries in Japan
  • Subject HeadingMine timbering Steel, Structural Metal arches
  • Subject Heading (ID)Mine timbering Steel, Structural Metal arches

On the graphics of metal arches, with special reference to the relative strength of two-pivoted, three-pivoted and built-in metal arches

On the graphics of metal arches, with special reference to the relative strength of two-pivoted, three-pivoted and built-in metal arches
Paper図書
by L. W. Atcherley and Karl PearsonCambridge University Press1905
Other Libraries in Japan
  • Subject HeadingMetal arches
  • Subject Heading (ID)Metal arches

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