Report 4. Methods of maintaining a vertical borehole
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Format: | Report |
Language: | English |
Published: |
University of Copenhagen
1994
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Online Access: | https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=2247 http://id.nii.ac.jp/1291/00002247/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=2247&item_no=1&attribute_id=18&file_no=1 |
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