CN103600598B - 一种多功能粉笔套 - Google Patents
一种多功能粉笔套 Download PDFInfo
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- CN103600598B CN103600598B CN201310603722.1A CN201310603722A CN103600598B CN 103600598 B CN103600598 B CN 103600598B CN 201310603722 A CN201310603722 A CN 201310603722A CN 103600598 B CN103600598 B CN 103600598B
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CN201310603722.1A CN103600598B (zh) | 2013-11-26 | 2013-11-26 | 一种多功能粉笔套 |
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CN201310603722.1A CN103600598B (zh) | 2013-11-26 | 2013-11-26 | 一种多功能粉笔套 |
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CN103600598A CN103600598A (zh) | 2014-02-26 |
CN103600598B true CN103600598B (zh) | 2015-10-28 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104960358A (zh) * | 2015-07-08 | 2015-10-07 | 集美大学 | 一种可变式多功能粉笔套 |
CN106781847A (zh) * | 2016-11-25 | 2017-05-31 | 盐城工学院 | 一种分体式易装卸辅助装置 |
CN107564367A (zh) * | 2017-09-02 | 2018-01-09 | 张瑞君 | 一种课堂多媒体教学用多功能激光笔 |
CN109903639B (zh) * | 2019-04-16 | 2020-10-30 | 陈特 | 一种高中化学教学用的教学杆 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2088480U (zh) * | 1991-04-27 | 1991-11-13 | 李西昌 | 多功能自动粉笔护套 |
CN2200545Y (zh) * | 1994-06-28 | 1995-06-14 | 李文权 | 多功能教学用笔 |
CN201535960U (zh) * | 2009-09-29 | 2010-07-28 | 张馨月 | 多功能教鞭 |
CN201646086U (zh) * | 2010-05-04 | 2010-11-24 | 王国香 | 一种粉笔套 |
CN201841792U (zh) * | 2010-09-10 | 2011-05-25 | 马爱莲 | 一种多媒体教学用的粉笔套 |
CN201824687U (zh) * | 2010-09-27 | 2011-05-11 | 宋世豪 | 一种粉笔套 |
CN201979880U (zh) * | 2011-03-29 | 2011-09-21 | 郑苏格 | 一种粉笔套 |
CN202049635U (zh) * | 2011-04-21 | 2011-11-23 | 何晓阳 | 一种多功能教鞭 |
CN202134127U (zh) * | 2011-07-14 | 2012-02-01 | 韩秀娥 | 语文教学用多功能指示教具 |
CN202151963U (zh) * | 2011-08-04 | 2012-02-29 | 张晟廷 | 一种粉笔套 |
CN202352138U (zh) * | 2011-11-29 | 2012-07-25 | 吕慧 | 多功能教杆 |
CN202764500U (zh) * | 2012-08-21 | 2013-03-06 | 黄威 | 教学辅助用具 |
CN103303032A (zh) * | 2013-06-25 | 2013-09-18 | 无锡商业职业技术学院 | 一种粉笔套 |
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C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Yuan Minghai Inventor after: Deng Kun Inventor after: Kang Mingxia Inventor after: Shen Renxiang Inventor after: Yan Shuyang Inventor before: Yuan Minghai Inventor before: Shen Renxiang Inventor before: Yan Shuyang Inventor before: Bu Mincheng Inventor before: Gu Chaochao |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YUAN MINGHAI SHEN RENXIANG YAN SHUYANG BU MINSHENG GU CHAOCHAO TO: YUAN MINGHAI DENG KUN KANG MINGXIA SHEN RENXIANG YAN SHUYANG |
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