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3230721
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Information
Patent Grant
3230721
References
Source
Patent Number
3,230,721
Date Filed
Not available
Date Issued
Tuesday, January 25, 1966
58 years ago
CPC
E02F9/045 - for moving on the underwater bottom
E02B17/022 - adapted to travel on the bottom
US Classifications
405 - Hydraulic and earth engineering
037 - Excavating
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