Grid plate for construction of 3-dimensional structure has struts within peripheral frame provided within variable spacing or cross-sectional geometry for increasing loading capacity at center of grid plate
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Three-dimensional structure, e.g. to make furniture, has plastics grid plates that are connected together by arrangement of sleeves and pins with clawed ends
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Multiple sewer pipe system for parcels of land built on and not built on
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Lower drainage shaft assembly has a liner body with inflow connections and a lower body with embrasure openings to be linked together according to the drainpipe layout
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Method of manufacturing a profile for windows or doors
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Profile for windows or doors
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Screwable branch for thin-walled sewer pipes
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Prefabricated concrete manhole element with a plastic liner
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Connector for connecting concrete pipes
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Jacking pipe with locking sleeve
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Hose seal
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Leading-in tube
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Connection pipe socket for concrete sewer pipes
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Drainage system
EP0603775A1
Method for making a sealed connection between a pipe and a pipe connector, and pipe connector used therefor, which can be tightened
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Method for tightly connecting a sewer pipe to a connecting pipe and liquid-tight connection of a connecting pipe to a sewer pipe
