MIL-R-19121 › Complete Document History
Regulator, Mask Mounted, 100 Percent Oxygen, Positive Pressure (Superseded by MIL-R-81553)
Obsolete Revision Information: |
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NOT - REGULATOR, MASK MOUNTED, 100 P - Nov. 2, 1972
REVISION E - REGULATOR, MASK MOUNTED, 100 P - April 7, 1970 |