NAVIGATION INSTRUMENT
RYAZANTSEV V.E.,SU, SELIVERSTOV V.I.,SU, VVEDENSKIJ V.P.,SU, ILYUKHIN A.M.,SU, SALTANOV YU.V.,SU, MAGNUSOV V.S.,SU, MURINA V.S.,SU, RYZHOV YU.S.,SU, SHITOV A.I.,SU, ORLOV YU.N.,SU
Year of Publication 30.12.1982
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Year of Publication 30.12.1982
Patent