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CURVED CORRUGATED FIBREBOARD STRUCTURE AND METHOD OF MAKING CURVE CORRUGATED FIBREFOARD STRUCTURE SAME
CURVED CORRUGATED FIBREBOARD STRUCTURE AND METHOD OF MAKING CURVE CORRUGATED FIBREFOARD STRUCTURE SAME
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机译:弯曲的波纹纤维板结构和制造弯曲的波纹纤维板结构的方法
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摘要
PURPOSE:To provide a process of preventing shrinkage in a portion of large curvature in the form after molding in a press molding of corrugated cardboard by squeezing the portion more heavily than other portions.
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