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CONSTRUCTION PANEL,IN PARTICULAR GYPSUM-CARDBOARD PANEL
CONSTRUCTION PANEL,IN PARTICULAR GYPSUM-CARDBOARD PANEL
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机译:建筑面板,特别是石膏纸板面板
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摘要
In order to facilitate the placing of gypsum plasterboards, the boards are provided on their surface with a marking, which comprises length scales extending along regularly spaced apart lines which are parallel to the edges of the board. The marking may preferably be applied in the form of paints which fade under the action of light.
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