E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
E02B 5/02 (2006.01) E02D 31/00 (2006.01)
Patent
CA 2149366
Liquid-resistant protective layer which at least consists of a material layer containing clay, characterized in that is has, within the range of at least one edge at least one groove or slit which extends in the material layer containing the clay.
E.c.c. Naamloze Venootschap
Robic
LandOfFree
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