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schutzhuelle for subsequent attachment to the inner wall surfaces, or parts of these of horizontal or vertical or rohrfoermigen or channel-like structures, such as tunnels, galleries, concrete pipes and the like, for the purpose of the sealing and / or formation of a the inside surfaces protection
schutzhuelle for subsequent attachment to the inner wall surfaces, or parts of these of horizontal or vertical or rohrfoermigen or channel-like structures, such as tunnels, galleries, concrete pipes and the like, for the purpose of the sealing and / or formation of a the inside surfaces protection
