4 · Society, Civilization, Culture
47 · crafts and industries
47H · textile industry and clothing industry
47H1 · materials ~ textile and clothing industry
47H15 · synthetic material (~ textile and clothing industry)
47H15(+4) · synthetic material (~ textile and clothing industry) (+ materials processed ~ crafts, industries, agriculture)
47H15(+44) · synthetic material (~ textile and clothing industry) (+ plant material ~ crafts, industries, agriculture)
47H15(+441) ·
synthetic material (~ textile and clothing industry) (+ fibre ~ crafts, industries, agriculture)