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ASTM D 4811 - 90 ; 4811 - 04 Standard specification for nonvulcanized rubber sheet used as roof flashing
1) 1997 Annual book of ASTM Standards Section 4, Volume 04.04 Roofing, waterproofing, and bituminous materials 2) 2005 Annual Book of ASTM Standards Section 4 Construction, Vol. 04.04 Roofing and Waterproofing
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