MS18283A (NOTICE 1), MILITARY STANDARD: RELIEF VALVE OPERATING CHARACTERISTICS VERSUS MAXIMUM OPERATING PRESSURE FOR STEAM AND GAS SERVICE (11 DEC 1987) [NO SUPERSEDING DOCUMENT]

MS18283A (NOTICE 1), MILITARY STANDARD: RELIEF VALVE OPERATING CHARACTERISTICS VERSUS MAXIMUM OPERATING PRESSURE FOR STEAM AND GAS SERVICE (11 DEC 1987) [NO SUPERSEDING DOCUMENT].