C - Chemistry – Metallurgy – 03 – C
Inventor
C - Chemistry, Metallurgy
03
C
Inventor
Country: Germany
Alkaline-earth aluminosilicate glass for lamp bulbs
Glass with high proportion of zirconium-oxide and its uses
Glass with high proportion of zirconium-oxide and its uses
Long life halogen cycle incandescent lamp and glass envelope...
Long life halogen cycle incandescent lamp and glass envelope...
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