73074768
Jan 19, 1976
Apr 12, 1977
METAL OXIDES AND CHEMICAL COMPOSITIONS FOR THE MANUFACTURE OF CERAMIC GLAZES, COLORS, AND CLAYS; CERAMIC FRITTS AND GLAZES FOR USE IN THE MANUFACTURE OF CERAMIC ARTICLES
ChemicalsINSTRUCTIONAL AND EDUCATIONAL MATERIALS-NAMELY, PRINTED MATTER AND PHOTOGRAPHS CONCERNING THE MANUFACTURE AND DECORATION OF CERAMIC ARTICLES, FOR USE IN INDUSTRY, AND EDUCATION, AND BY HOBBYISTS; MODELING CLAYS
Paper Goods and Printed Matter