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Coloured decorated glass article mfr. - by laminating high thermal expansion low melting glass between layers of lower expansion high melting glass
Coloured decorated glass article mfr. - by laminating high thermal expansion low melting glass between layers of lower expansion high melting glass
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机译：彩色装饰玻璃制品。 -通过在较低膨胀率的高熔点玻璃层之间层压高热膨胀率的低熔点玻璃
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摘要
Colourful and/or artistically fashioned glass bodies with multilayer structure are described consisting of =2 glass layers with low thermal expansion coefft., between which a thin layer of a pref. coloured glass of high thermal expansion is entrapped by melting the low thermal expansion glass then cooling with the glass body perpendicular to the hair line cracks etc. which are present in the surface of the top layer. Used in windows, sight screens, lamp screens, decorative hollow glass, etc. Attractive hair line crack effects are produced without loss of mechanical strength.
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