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046 |
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by tamping or vibrating, e.g. with auxiliary watering of the soil (E 02 D 3/026, E 02 D 3/08 take precedence; tamping or vibrating apparatus for working ballast on railways E 01 B 27/00, for consolidating paving materials E 01 C 19/30, for consolidating concrete in general E 04 G 21/06) [3] |
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