Patent classifications
E
FIXED CONSTRUCTIONS
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E02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
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E02B
HYDRAULIC ENGINEERING
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3/00
Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
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E02B3/02
Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
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E02B3/023
Removing sediments
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