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| 6254788 | Davidson | Jul 2001 | B1 |
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| Number | Date | Country |
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| 718005 | Jul 2000 | AU |
| 2 348 945 | Oct 2000 | GB |
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| Entry |
|---|
| Patent Abstracts of Japan, vol. 2002, No. 02, Apr. 2, 2002 and JP 2001 276828 A (Miyazaki, Tomoyoshi, Miyazaki Akiko) Oct. 9, 2001 Abstract. |
| International Search Report in related PCT/US02/34491. |
| Fifth Edition Chemical Engineers' Handbook, Robert H. Perry/Cecil H. Chilton (published by McGraw-Hill Book Company), Section 5 Fluid and Particle Mechanics, pp. 5-10 thru 5-15, (copyright 1973). |