73049095
Apr 10, 1975
Oct 5, 1976
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