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HAMAI INDUSTRIES LTD.
Tokyo, JP
| HAMAI INDUSTRIES LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100029811 | RUBBER COMPOSITION AND A SEALING MEMBER USING THEREOF - A rubber composition comprising a flexible rubber which includes a rubber component and softener, and at least two kinds of carbon blacks having different particle sizes from each other. And a sealing member including a rubber composition comprising a flexible rubber which includes a rubber component and a softener, and at least two kinds of carbon blacks having different particle sizes from each other. | 02-04-2010 |