1
fire extinguishing compositions; flame-retardant compositions; chemicals to be used within the framework of fire protection and fire prevention, namely, expendable graphite; chemicals on polymer basis, namely, expandable graphite
17
flame-retarding polymer sheets and sleeves
19
flame-resistant building materials, namely, for cable and pipe transit
42
research, development and amelioration of new chemical procedures within the framework of treating polymers, by which these polymers are made fire-resistant; consultation with regard to repressive measures within the framework of fire prevention and fire protection; technical consultation in the field of fire fighting and repressive measures within the framework of fire prevention and fire protection, including the extinguishing of fires
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