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particle board and procedure for the manufacture of particle board
particle board and procedure for the manufacture of particle board
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机译:刨花板及刨花板的制造程序
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摘要
The present invention relates to a particle board comprising a lower and an upper surface layer (9, 11) having a finer fraction of particles (4), and between these surface layers (9, 11) an intermediate layer (13) having a coarser fraction of particles (5). The intermediate layer (13) has a varying density.
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