water proofing, water-repelling, oil-proofing, and oil-repelling chemical compositions for use in the treatment of materials in the nature of textiles, paper, cardboard, wood, glass, siliceous and cellulosic materials and organic substances
Chemicalstelecommunications services, namely, ISDN services, personal communication services, air time brokerage, gateway services for residential and commercial customers
Telecommunicationswaterproofing, water-repelling, oil-proofing and oil-repelling of materials in the nature of textiles, paper, cardboard, wood, glass, siliceous and cellulosic materials and organic substances, for others
Treatment of Materials