E02F3/88- Dredgers Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g.E02F3/04- Dredgers Soil-shifting machines mechanically-driven.E02F3/00- Dredgers Soil-shifting machines.E02- HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING.
Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from GB9716873.6 external-priority Priority claimed from GB9716873A external-priority patent/GB9716873D0/en Application filed by Namibian Minerals Corporation Limited filed Critical Namibian Minerals Corporation Limited Priority to EP98938779A priority Critical patent/EP1000202A1/en Priority to AU87384/98A priority patent/AU8738498A/en Publication of WO1999007949A1 publication Critical patent/WO1999007949A1/en Links Inventor Charles Francis Heyes Johannes Duijzers Ivor John Jones Peter Looijen Original Assignee Namibian Minerals Corporation Limited Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents WO1999007949A1 - Underwater mining apparatus and method WO1999007949A1 - Underwater mining apparatus and method
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