US Patent: 5245054 Date: Sep. 14, 1993 Inventors: W. Navarrini, L. Bragante US5245054[…]
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US Patent: 5229525 Date: Jul. 20 1993 V. A. Petrov, D. D. Desmarteau,[…]
US Patent: 5227539 Date: Jul. 13 1993 Inventors: S. Kotun, D. Desmarteau, W.[…]
US Patent: 5225576 Date: Jul. 6 1993 Inventors: W. Navarrini, S. Fontana, V.[…]
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