Difference between revisions of "HS-27"
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Latest revision as of 20:35, 24 April 2024
telephone chest set, R-21, PL-58, HB-6,
Related Files
REP-408 Repaired Equipment Standard
- Head and Chest Sets
- HS-17
- HS-19
- HS-25
- HS-27
- 17 March 1953