该数据名称为Porous single resin fiber composite material and method for manufacturing porous single resin fiber composite material，数据格式为文档，数据内容是国外林业专利，专利时间是2020年。
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PROBLEM TO BE SOLVED: To provide a composite board that does no require a complex structure to achieve sufficient (bi-directional) strength for normal use. SOLUTION: The present invention relates to a
