MIL-C-25538 › Complete Document History
Crystal Unit, Quartz, Cr-57/U (Use MIL-C-3098/35)
Obsolete Revision Information: |
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NOT - CRYSTAL UNIT, QUARTZ, CR-57/U - July 28, 1961
BASE - CRYSTAL UNIT, QUARTZ, CR-57/U - July 26, 1961 |