Toyoseiki products historySince 1934
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| 1955 | Melt Indexer |
| 1960 | Universal Testing Machine “Strograph” |
| 1963 | Oscillating Disk Rheometer (ODR) |
| 1970 | Torque Rheometer “Labo Plastomill” |
| 1974 | Biaxial Film Stretching Tester |
| 1978 | Automatic Densimeter |
| 1982 | Capillary Rheometer “Capilograph” |