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DE3228198A1
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Method of improving the keying of a reinforced-concrete root pile which forms a root pile wall preferably with other root piles of the same type
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ATA317681A
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Ramp profile
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DE3023825A1
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Pile-driver vibrator suspension elasticity adjustment - involves compressed air spring bellows with variable internal pressure
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DE3022274A1
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Conveying system for suspension and gelling agent - has volume of gelling agent pump set according to volume of suspension pump
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DE3004774A1
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Ground water level and pressure metering system - involves spacers holding varying length water gauge filter pipes together
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DE2844795A1
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Double cable operated power grab - has conical jaw carrier with rings acting as stops for collar on operating shaft
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DE2844794A1
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Narrow pile driven retaining wall injection rammer - has nozzle at pipe end in downward protruding foot piece
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DE2833758A1
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Well head weather protective flap or door - has diverging slope or bend on hinge, lock or both
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DE2857313A1
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Well head covering hinge flap - has two opposite sliding bars actuated by key and extended racks
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DE2833075A1
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FOUNTAIN HEAD FOR A FOUNTAIN
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DE2829791A1
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FOUNTAIN HEAD
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DE2810880A1
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Protecting excavation from ground water - by building slit wall around area to be dug using cementitious slurry
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ATA442277A
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Method for registering data in the production of a narrow
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ATA267177A
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Protected dam
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DE2710456A1
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Masonry wall inclined pile and underpinning - is made of reinforced concrete with common reinforcing core to base of wall
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DE2631865A1
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Artificial sink for water pumped from trenches etc. - is fitted with an automatic float valve as protection against over-filling
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