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LOW FLUID LOSS CEMENT COMPOSITIONS, LIQUID LOSS REDUCING ADDITIVES AND METHODS
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CONSTRUCTION DEVICE THROUGH PREFABRICATED ELEMENTS, IN PARTICULAR OF WOOD
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POLYMERIC COMPOSITION DISPERSIBLE IN WATER
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COMPOSITION AND PROCEDURE TO INHIBIT SCALING.
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Improvements in or relating to building and civil engineering
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IMPROVEMENT IN CONSTRUCTION SCAFFOLDING
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DEVICE TO ENSURE AND NARROW LOCATION SOUND IN THE WATER
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WATER CONTENT REDUCING AGENT USED IN MORTAR AND CONCRETE.
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BUILDING BLOCK FOR SEQUENTIAL LOGIC AND NETWORK IN CMOS TECHNOLOGY.
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SOFT CONCRETE SETTING AGENT
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MIXING AND MASSAGING MACHINE
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PREFABRICATED CONCRETE CHANNEL