MIL-R-12770 › Complete Document History
Ringer, Telephone (Ringer mc-131) (No Superseding Document)


Obsolete Revision Information:
   NOT - RINGER, TELEPHONE #RINGER MC-1 - Dec. 11, 1972
   AMENDMENT 2 - RINGER, TELEPHONE #RINGER MC-1 - Jan. 1, 1960
   BASE - RINGER, TELEPHONE #RINGER MC-1 - Jan. 1, 1960