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Publication of BE503605ApublicationCriticalpatent/BE503605A/fr
E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
E04D5/02—Roof covering by making use of flexible material, e.g. supplied in roll form of materials impregnated with sealing substances, e.g. roofing felt
Landscapes
Engineering & Computer Science
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Architecture
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Civil Engineering
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Structural Engineering
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Reinforced Plastic Materials
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Treatments For Attaching Organic Compounds To Fibrous Goods
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