ASME Pressure Vessels and Piping Conference 1974 ASME Pressure Vessels and Piping Conference 1979. ASME Pressure Vessels and Piping Conference, 1979. ASME Pressure Vessels and Piping Conference Pressure Vessels and Piping Conference Pressure Vessels and Piping Conference and Exhibition ASME Pressure Vessels and Piping Conference San Francisco Aug. 12-15 1980. ASME Pressure Vessels and Piping Conference, San Francisco, Aug. 12-15, 1980.