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- [1] STUDIES ON THE ULPA FILTERS 9TH INTERNATIONAL SYMPOSIUM ON CONTAMINATION CONTROL : EXPLORING WORLD PARTNERSHIPS IN TECHNOLOGY, 1988, : 152 - 155
- [2] INSITU-TEST OF ULPA-FILTERS 9TH INTERNATIONAL SYMPOSIUM ON CONTAMINATION CONTROL : EXPLORING WORLD PARTNERSHIPS IN TECHNOLOGY, 1988, : 115 - 122
- [3] Study on scanning leak test for hepa and ULPA filters PROCEEDINGS OF THE 5TH INTERNATIONAL SYMPOSIUM ON HEATING, VENTILATING AND AIR CONDITIONING, VOLS I AND II, 2007, : 656 - 662
- [4] Poured-in-place gaskets for HEPA and ULPA filters FILTRATION & SEPARATION, 2007, 44 (10): : 10 - 10
- [6] New HEPA/ULPA filters for clean-room technology FILTRATION & SEPARATION, 1996, 33 (03): : 245 - 250
- [7] Development of a polystyrene microsphere aerosol challenge for HEPA and ULPA filters J Aerosol Sci, Suppl 1 (S635-S636):
- [8] CHARACTERIZATION OF HEPA AND ULPA FILTERS BY PROPOSED NEW EUROPEAN TEST METHODS FILTRATION & SEPARATION, 1995, 32 (06): : 545 - 550
- [9] Roundoff error analysis of digital filters AES: Journal of the Audio Engineering Society, 1994, 42 (04): : 232 - 244