Luminous house number plate, sign post and billboard
A luminous house number plate (or rood sign, or billboard) is prepared from a fluorescent material whose basic component is metallic aluminate (barium magnesium, calcium, or strontium aluminate) through doping with Eu2O3 (or Dy2O3), die pressing, and calcining at 800 deg.C for 4 hr in reduction cond...
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Main Author | |
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Format | Patent |
Language | English |
Published |
13.11.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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