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RAILWAY TECHNICAL RESEARCH INSTITUTE
KOKUBUNJI-SHI, JP
| RAILWAY TECHNICAL RESEARCH INSTITUTE Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100167047 | WATERPROOF SHEET FOR TUNNEL - The present invention is a waterproof sheet for a tunnel containing a base sheet containing a synthetic resin having on a surface thereof a silica-containing surface layer containing silica having a silicon dioxide content of 90% by mass or more in a ratio of from 30 to 200 mg/cm | 07-01-2010 |
| 20100031758 | ANALYTICAL SAMPLE DRYING METHOD AND DRYING APPARATUS - A soil for metal analysis having a high water content of 40% or more is dried up to 20% or less in water content within a short period of time. | 02-11-2010 |