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Hollow chamber plate made of plastic and method for producing a hollow chamber plate
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Container, tube or chemical apparatus with color indicator and composite semi-finished product with color indicator for the production of a container, tube or chemical apparatus
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Process for the production of a pipe or pipe semi-finished product and pipe or pipe semi-finished product for chemical apparatus engineering
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Tubular composite system provided with a tube connector
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Shaped part comprised of an inner layer and top layer and use of the same material when applying an intermediate layer to a shaped part
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Connector set for joining a pipe to a shaft bottom channel in a drains system comprises a hollow cylindrical insert in the shaft wall, a transition pipe and a connector element
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Pipe connection system for a concrete shaft
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Process for producing a pipe weft that can be inserted into a damaged pipeline or a damaged channel according to the relining process
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Axial interlock system for fluid containment system having inner and outer conduits
