MIL-S-52022 Complete Document History
Snowplow, Railway, Push, Single Track, Wedge Type, Railway Car Mounted, 56- 1//2 and 6O-Inch Gages, Foreign Service (No Superseding Document)


Obsolete Revision Information:
   NOT - SNOWPLOW, RAILWAY, PUSH, SINGL - Aug. 28, 1979
   REVISION B - SNOWPLOW, RAILWAY, PUSH, SINGL - March 12, 1973