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The roughness, measured laterally, of the new smooth steel drum surface shall have a maximum centreline average height value of 6.3 μm. This value should be reconfirmed in case visible damage should occur. |
a3c0 | |
| The roughness, measured laterally, of the smooth steel drum surface shall have a maximum centreline average height value of 6.3 μm. | a0c0 |