Spring leaf with a diminishing thickness towards the ends thereof and having shoulders on opposite sides
SHEVTSOV; VITALY T, OBLOVATSKY; ANATOLY K, NEDOREZOV; VLADIMIR A, ZEZJULINSKY; ANDREI A, LITVIN; ALEXANDR N, KATUNIN; ALEXANDR N, YATSENKO; VLADISLAV P, ZEMA; EVGENY M, DROZDOV; BORIS Y, ZEMA; VIKTOR E, KOMAROV; ALEXANDR N, KOVALENKO; SERGEI V, LEBEDIK; GRIGORY L
Year of Publication 22.05.1990
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Year of Publication 22.05.1990
Patent