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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E02B3/04
Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
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E02B3/12
Revetment of banks, dams, watercourses, or the like,; e.g. the sea-floor
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E02B3/122
Flexible prefabricated covering elements, e.g. mats, strips
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E02B3/123
mainly consisting of stone, concrete or similar stony material
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