Device for sealing surfaces, especially refuse tips and heaps of debris comprises a mineral sealing layer provided with a water-permeable layer

Device for sealing surfaces, especially refuse tips, debris heaps, etc., comprises a mineral sealing layer (1) provided with a water-permeable layer. Independent claims are also included for a refuse tip, debris heap, etc. having the above device, and for a subterraneous curtain. Preferred Features:...

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