VEB Kombinat Walzlager u. Normteile

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4720988 Method for the profiling cold-rolling of rings with tangential expansionExpiredMar 11, 86Jan 26, 88[B21H]
4672833 Method and apparatus for the two-step rolling of ringsExpiredOct 23, 85Jun 16, 87[B21H]
4664537 Cage for tapered-roller bearingExpiredSep 24, 85May 12, 87[F16C]
4326625 Transverse conveyor for conveying pin-shaped work pieces in a multi-stationExpiredJun 12, 80Apr 27, 82[B65G]

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