一种硬质合金圆锯片
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资源简介:
该数据为文档类型,数据内容是中国林业专利。该专利名称是一种硬质合金圆锯片,专利类型是实用新型,专利年份是2020年。
This dataset is a document-type collection of Chinese forestry patents. The title of the included patent is "A Cemented Carbide Circular Saw Blade", which is a utility model patent with the patent year being 2020.
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国家林业和草原科学数据中心创建时间:
2023-06-26



