Lead calcium titanate piezoelectric ceramic element

Lead free soft glass having high electrical resistivity

Lead gallate glasses

Lead magnesium niobate ceramic dielectrics having low sintering

Lead oxide-free glass, particularly for use in electric lamps

Lead perovskite based ceramic compositions without any free lead

Lead phosphate glass compositions for optical components

Lead silicate glass and a process for setting a reduced...

Lead silicate glasses

Lead- and cadmium-free finely divided glass frit compositions

Lead- and arsenic-free borosilicate glass having improved...

Lead- and arsenic-free optical lanthanum flint glasses

Lead- and barium-free crystal glass

Lead- and barium-free crystal glass

Lead- and barium-free crystal glass having high optical transmis

Lead-, cadmium- and barium-free frits for ceramic glazes

Lead-containing fluoride glass, optical fiber and process for pr

Lead-containing oxide powder

Lead-free alkali metal-free glass compositions

Lead-free and arsenic-free niobium phosphate optical glass