"no14081" - 1 õppematerjal

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de/haupt/english/main_forsch.html 25.11.2007 43. http://www.yajugle.com/dir/history-of-construction 25.11.2007 44. http://inventors.about.com/od/cstartinventions/a/construction.htm 25.11.2007 45. http://www.discovervancouver.com/gvb/vancouver-construction.asp 25.11.2007 46. http://www.gradall.com/history.html 25.11.2007 47. http://www.komatsu.com/CompanyInfo/profile/outline/history.html 25.11.2007 48. http://www.ploughbooksales.com.au/010176.htm 25.11.2007 49. https://www.vedamsbooks.com/no14081.htm 25.11.2007 50. http://www.somersetcounty.com/historicalcenter/building.html 25.11.2007 51. http://www.titancranes.co.nz/about/history.html 25.11.2007 52. http://sciencelinks.jp/j-east/article/199923/000019992399A0995232.php 25.11.2007 53. http://www.mpiwg-berlin.mpg.de/en/research/projects/DEPT1_Osthues- Architecture/index_html 25.11.2007 54. http://en.wikipedia.org/wiki/Crane_(machine)#History_of_cranes 25.11.2007 55. http://www.steelbuilding.com/buildings/frame_types.htm 25.11