Lot - Fisher Scientific Company. U.S. Standard Sieve Series . Openings (1) 1/4 “ 6.36 mm. (1) 44 microns. .0017”. (1) 3/8”. 9.51 mm. By E.H.Sargent & Co. there is a tier on .0017
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Fisherbrand U.S. Standard Brass Sieves with Steel Cloth:Filters and Filtration:Mechanical | Fisher Scientific
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