62400-62407 1Blb Size class and particle diameter ( mm ) 3A1 Sand Silt ... 14.2 5.3 9.3 34.5 31.0 4.0 4.6 20,6 14 : 45.7 8.6 35.0 30.2 4.4 4 : 3 19 : 8 14,0 ...
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