CH379101A
(en)
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Skylight
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FR1242890A
(en)
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Pipe
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FI29725A
(en)
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Method for increasing the chemical corrosion resistance of concrete lights with gaseous SiFy
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FR1210063A
(en)
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Pipe connection
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FR1223674A
(en)
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Pipe connection
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FR1220463A
(en)
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Advanced skylight
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CH384758A
(en)
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Lubricant mixture
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CH364602A
(en)
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Ceiling construction
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AT234644B
(en)
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Cold mixture
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FR1398703A
(en)
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Faucets
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FR1212318A
(en)
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Submerged pipeline
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CH336656A
(en)
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Pipe connection
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FR1201697A
(en)
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Pipe fittings
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CA576662A
(en)
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Method for increasing the resistance to chemical corrosion on concrete articles by means of gaseous sif4
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FR1216032A
(en)
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Advanced gyroscope
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FR1193203A
(en)
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Candlestick
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FR1217368A
(en)
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Skylight
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FR1200853A
(en)
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Ceiling with prestressed purlins
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ES68468Y
(en)
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Metal tile
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ES70247Y
(en)
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Special brick for pipe embedment
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FI33160A
(en)
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The method produces lightweight concrete
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FR1236320A
(en)
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Pipe connection
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ES66248Y
(en)
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Brick with special characteristics
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ES67944Y
(en)
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Distiller
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FR1193170A
(en)
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Hygrometric regulator
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