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EP0572474
European procedure
Extract from the Register of European Patents
EP Citations: EP0572474
| Cited in | International search | Type: | Patent literature | Publication No.: | DE366487
[A] (MISCHA ZOLOTNITZKY, et al); | Type: | Patent literature | Publication No.: | US1824516
[X] (TYVAND RAYMOND E); | Type: | Patent literature | Publication No.: | US2234961
[Y] (CANADA PHOEBE L); | Type: | Patent literature | Publication No.: | US3760803
[A] (BOOTHBY L); | Type: | Patent literature | Publication No.: | US4314568
[X] (LOVING JAMES A); | Type: | Patent literature | Publication No.: | US4834802
[A] (PRIER DAVID A [US]) |