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              Foil coated paper-based laminate and glass-cloth-base laminate. Specifications | 
              Glass-epoxy-phenol electrotechnical cylinders and tubes | 
              Electrotechnical glass-cloth-base laminate. Specifications | 
        
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              Ceramic electrotechnical materials | 
              Ceramic electrotechnical materials. Methods of testing | 
              Ceramic insulators. Test methods | 
        
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              Thin epoxy-impregnated glass fabric copper -clad electrical insulating material for printed circuit boards, general purpose | 
              Epoxy-impregnated glass cloth foil-clad electrical insulating material of standardized combustibility for printed circuit boards. | 
              General-purpose epoxy-impregnated cohesive fiberglass foil-clad insulating material | 
        
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              Epoxy-impregnated glass cloth foil-clad electrical insulating material of stipulated combustibility for printed circuit boards. | 
              Epoxy-impregnated woven (non-woven) glass fabric foil-clad electrical insulating material of rated combustibility for printed circuit boards | 
              Insulating tapes of glass twisted complex threads. Specifications |