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STD.ASME B16.20-ENGL1978▣075b700616931624■ASME B16.20-1999(Revision of ASME B16.20-1993METALLIC GASKETSFOR PIPE FLANGESRingoin,Spiral-Wound,ad acketedAN AMERICAN NATIONAL STANDARDThe American Society ofMechanical EngineersCOPYRIGHT American Society of Mechanical EngineersLicensed by Information Handling Services
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