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Compacting and levelling concrete
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Pipe to be laid in the pavement of a floor and in finished part elements
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Vibration apparatus for compacting and levelling concrete and screed-mortar layers, process for using this apparatus, and concrete or screed-mortar layer for treatment with this apparatus
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Coupling for the connection of flexible pipes
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Floating screed and method for its production
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Hose joint for jointing hose portions
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Compression coupling for flexible tubes - has split clamping olive fitting over spigot of barrel nipple and secured by nut
