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Double-sided [[/Fahy permeameter]].

http://nistdigitalarchives.contentdm.oclc.org/cdm/singleitem/collection/p15421coll3/id/461/rec/11 {accessed 2015-12-19}

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Source: National Institute of Standards and Technology Digital Collections, Gaithersburg, MD 20899


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{{tag> Permeameters Fahy_permeameter Fahy_simplex_permeameter Files}}