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Ceiling or chipboard BEARS NOT AND FEATHERS AND METHOD OF MAKING SUCH A PLATE
Ceiling or chipboard BEARS NOT AND FEATHERS AND METHOD OF MAKING SUCH A PLATE
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机译:天花板或刨花板无毛和特征以及制作这种板的方法
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摘要
Swelling of the tongues and grooves of floor and ceiling particle board as a result of moisture can be avoided by coating all the surfaces of both the tongue and the groove with a water-proofing plastics layer.
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