JP5421599B2 - 固形描画材及びその製造方法 - Google Patents
固形描画材及びその製造方法 Download PDFInfo
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- JP5421599B2 JP5421599B2 JP2009007351A JP2009007351A JP5421599B2 JP 5421599 B2 JP5421599 B2 JP 5421599B2 JP 2009007351 A JP2009007351 A JP 2009007351A JP 2009007351 A JP2009007351 A JP 2009007351A JP 5421599 B2 JP5421599 B2 JP 5421599B2
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| JP6207709B2 (ja) * | 2016-10-21 | 2017-10-04 | 三菱鉛筆株式会社 | 鉛筆芯 |
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| CN108129914B (zh) * | 2017-12-08 | 2021-03-16 | 陕西科技大学 | 一种挠曲强度高的彩色铅笔芯及其制备方法 |
| CN114836067A (zh) * | 2022-03-03 | 2022-08-02 | 柘城惠丰钻石科技股份有限公司 | 一种金刚石微粉作为颜料在绘画领域中的应用 |
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