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Isol-hydroinsulating material. Specifications
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Sheets, semi-wavy, of asbestos cement and roofing tops for these
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Ruberoid. Technical requirements
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Roofing cardboard. Technical requirements
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Roofing and waterproofing paper-based tar material. Specification
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Mastic, bitumen-rubber, insulating
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Bitumen-rubber insulating mastic. Specifications
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