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Publikováno v:
Journal of Testing and Evaluation. 7:344
An optical comparator for testing the compliance of fine sieves with existing standards was designed and built. It is a portable, low-cost instrument, featuring a range of magnification from ×8 to ×270 and scanning capabilities over a 30-cm-diamete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b69e05b2ad4ec554cf8e134c081c2ed
https://doi.org/10.1520/jte11512j
https://doi.org/10.1520/jte11512j
