- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 29/063 - Tunnels submerged into, or built in, open water
Patent holdings for IPC class E02D 29/063
Total number of patents in this class: 25
10-year publication summary
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1
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1
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2
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2
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3
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5
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2
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1
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2
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3
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