Technical resources and Equipment
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No. 10-2397642 (Submarine cable burial system) -
No. 10-2222013 (Concrete mattress installation device) -
No. 10-1555957 (Restoration method of buried submarine cable) -
No. 10-1555953 (How to expose buried submarine cables) -
No. 10-1555948 (How to expose buried submarine cables) -
No. 10-1549061 (How to restore underwater cables)