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| US4760214 | 3 mars 1986 | 26 juil. 1988 | Siemens Aktiengesellschaft | Contacting arrangement for shielded compartments and spaces with HF-tight shielded, movable and abutting housing components |
| US4817337 | 8 sept. 1987 | 4 avr. 1989 | AMCA International Corp. | Radiation resistant door seal |
| US4896905 | 29 mars 1988 | 30 janv. 1990 | Rittal-Werk Rudolf LOH GmBH & Co. KG | Three-point latch for switch cabinet |
| US4902851 | 19 août 1988 | 20 févr. 1990 | ABS Allgemeiner Brandschutz | Combination protection room |
| US5013869 | 5 janv. 1989 | 7 mai 1991 | Trube & Kings KG | High-frequency-impervious shielding door |
| US5090137 | 16 janv. 1990 | 25 févr. 1992 | W. R. Grace & Co.-Conn. | Perimeter seal for split enclosure drying hoods |
| US6914184 | 19 avr. 2004 | 5 juil. 2005 | | Radiation resistant door seal |
