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Navigation and Vessel Inspection Circular No. 1-89. Underwater Survey Guidance; Final rept
| 题名： | Navigation and Vessel Inspection Circular No. 1-89. Underwater Survey Guidance; Final rept |
| 关键词： | Ship hulls; Inspection; Underwater structures; Divers |
| 摘要： | The purpose of this Circular is to provide vessel owners and operators, underwater survey diving contractors, and other interested personsprocess, the conducting underwater surveys. It addresses both the application process, the advance planning necessary, and the procedures to be followed during an underwater survey. |
| 总页数： | 12p |
| 报告类型： | 科技报告 |
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