EP0791692A1
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Method for manufacturing a manhole and manhole made by the method
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EP0702183A2
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Concrete product with either internal or external sealing means
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Method for producing inspection manhole with monolithic body and adjustable base
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Method and device for producing concrete pipes of uniform length
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RING FOR ADAPTING THE BOTTOMS TO THE VARIATION OF THICKNESS, IN THE FORMATION OF CONCRETE MANUFACTURES.
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Improvement to a process for the realization of markets in particular of the step type, on elements for control pots in molding phase
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ITBL930023D0
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Method of producing cement pipes of uniform height
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Device for clamping (flanging), with ties, vibrators for nozzle bores
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Rotating devices with variable asset for vibrators of turbo engines
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Tier flanging device for vibrators of turbines
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