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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9/00
Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
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E02B9/06
Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates
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