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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8/00
Details of barrages or weirs; ; Energy dissipating devices carried by lock or dry-dock gates
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E02B8/04
Valves, slides, or the like; Arrangements therefor;; Submerged sluice gates
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