MIL-PRF-27407B
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时间:2024-05-22 17:24:33
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MIL-PRF-27407B, PERFORMANCE SPECIFICATION: PROPELLANT PRESSURIZING AGENT, HELIUM (25 AUG 1997) [SUPERSEDING MIL-P-27407A]., This specification covers the requirements for two grades and two types of helium.