| prov:value
| - The details concerning components (a), (b), and (c), listed above, which are used in the manufacture of the water-absorbent resin described above, and the proportions and methods of manufacture of these components (a), (b), and (c), as well as concrete examples of the resins are described in Japanese Patent Application Laid-Open No. 25886/1977, Japanese Patent Publication No. 46199/1978, No. 46200
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