L.39�:�Investigation of the soil before using trenchless techniques

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L.39�:�Investigation of the soil before using trenchless techniques �

Recommendation L.39

In force components
Number	Title	Status
L.39 (05/00) �	Investigation of the soil before using trenchless techniques � Former ITU-T L.39 renumbered as ITU-T L.257 on 2016-02-15 without further modification and without being republished.	In force

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