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3253978 | Bodendorf et al. | May 1966 | A |
4650621 | Sago et al. | Mar 1987 | A |
5273821 | Olson et al. | Dec 1993 | A |
5679433 | Hayashi et al. | Oct 1997 | A |
5945049 | Vandermeer | Aug 1999 | A |
6153674 | Landin | Nov 2000 | A |
Number | Date | Country |
---|---|---|
45-24165 | Jul 1972 | JP |
Entry |
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Battista, Synthetic Fibers in Papermaking, (1964), Interscience Publishers, pp189, 190, 193, 197, 199, 214-223, 280-282. |