31374981lead glassPT2026-03-30 20:41:07UF31374988silicate glass, leadNDUF31374982glass, leadNDUF31374983glass, lead silicateNDUF31374984glass, lead-alkaliNDUF31374985glass-of-leadNDUF31374986lead silicate glassNDUF31374987lead-alkali glassNDBT31344443glass by composition or originPTNT31411968flint glassPTNT31411972crystalPTRT31375039nonlead glassPT