CN203558860U - 应用于多晶硅定向凝固提纯的石墨护板 - Google Patents
应用于多晶硅定向凝固提纯的石墨护板 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105970287A (zh) * | 2016-05-23 | 2016-09-28 | 大工(青岛)新能源材料技术研究院有限公司 | 一种可调式石墨坩埚 |
CN111726898A (zh) * | 2020-05-14 | 2020-09-29 | 锦州大业炭素制品有限公司 | 一种生产真空感应炉所用大型石墨发热体多块材料粘接方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105970287A (zh) * | 2016-05-23 | 2016-09-28 | 大工(青岛)新能源材料技术研究院有限公司 | 一种可调式石墨坩埚 |
CN111726898A (zh) * | 2020-05-14 | 2020-09-29 | 锦州大业炭素制品有限公司 | 一种生产真空感应炉所用大型石墨发热体多块材料粘接方法 |
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Effective date of registration: 20171107 Address after: 1 road 266000 in Shandong province Qingdao city Laoshan District No. 1 Keyuan latitude B block 7 layer B4-2 Patentee after: Qingdao Changsheng Dongfang Industry Group Co., Ltd. Address before: Pudong solar energy industry base in Jimo city of Shandong Province, Qingdao City, 266234 Patentee before: Qingdao Longsheng Crystalline Silicon Science & Technology Co., Ltd. |
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Effective date of registration: 20171128 Address after: Miao road Laoshan District 266061 Shandong city of Qingdao Province, No. 52 906 Patentee after: Qingdao Changsheng Electric Design Institute Co. Ltd. Address before: 1 road 266000 in Shandong province Qingdao city Laoshan District No. 1 Keyuan latitude B block 7 layer B4-2 Patentee before: Qingdao Changsheng Dongfang Industry Group Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20191030 |
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CF01 | Termination of patent right due to non-payment of annual fee |