Turbine, Spiral
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| No.127 | No.129 | No.110 | No.088 |
| Size : ∅ 60.3 cm. | Size : ∅ 60.3 cm. | Size : ∅ 62.3 cm. | Size : ∅ 62.3 cm. |
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| No.216 | No.160 | No.160/1 | No.160/2 |
| Size : ∅ 62 cm. | Size : ∅ 72.5 cm. | Size : ∅ 80 cm. | Size : ∅ 64.5 cm. |
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| No.161 | No.161/1 | No.161/2 | No.174 |
| Size : ∅ 72.5 cm. | Size : ∅ 79 cm. | Size : ∅ 64.5 cm. | Size : ∅ 72 cm. |
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| No.175 | |||
| Size : ∅ 73 cm. |