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- Google Patents
AU446714B2 - Method and apparatus for levelling ground underwater
- Google Patents
Method and apparatus for levelling ground underwater
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
AU62009/69A
Inventor
Itami Yasuo
Filing date
Publication of AU446714B2publicationCriticalpatent/AU446714B2/en