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Original file (5,963 × 4,839 pixels, file size: 19.96 MB, MIME type: image/jpeg)
Structural testing of concrete
|Source||National Institute of Standards and Technology|
|Author||National Institute of Standards and Technology|
(Reusing this file)
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|current||19:44, 10 March 2014||5,963 × 4,839 (19.96 MB)||NISTResearchLibrary|
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