CN105150723A - 一种新型教学圆规 - Google Patents
一种新型教学圆规 Download PDFInfo
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- CN105150723A CN105150723A CN201510647836.5A CN201510647836A CN105150723A CN 105150723 A CN105150723 A CN 105150723A CN 201510647836 A CN201510647836 A CN 201510647836A CN 105150723 A CN105150723 A CN 105150723A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
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- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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CN201510647836.5A CN105150723B (zh) | 2015-10-09 | 2015-10-09 | 一种新型教学圆规 |
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CN201510647836.5A CN105150723B (zh) | 2015-10-09 | 2015-10-09 | 一种新型教学圆规 |
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CN105150723A true CN105150723A (zh) | 2015-12-16 |
CN105150723B CN105150723B (zh) | 2016-10-19 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2411129Y (zh) * | 1999-11-26 | 2000-12-20 | 朱丹 | 两用绘图仪 |
KR20090007813U (ko) * | 2008-01-29 | 2009-08-03 | 홍진표 | 화이트보드 및 칠판용 대형 컴퍼스 |
CN203557891U (zh) * | 2013-10-31 | 2014-04-23 | 浙江工贸职业技术学院 | 一种作图方便的教学用圆规 |
CN104057754A (zh) * | 2014-06-28 | 2014-09-24 | 南京理工大学 | 一种多功能教学尺 |
CN204354668U (zh) * | 2014-12-29 | 2015-05-27 | 暴向平 | 一种地理教学用绘图装置 |
CN205033797U (zh) * | 2015-10-09 | 2016-02-17 | 陈伟强 | 一种新型教学圆规 |
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2015
- 2015-10-09 CN CN201510647836.5A patent/CN105150723B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2411129Y (zh) * | 1999-11-26 | 2000-12-20 | 朱丹 | 两用绘图仪 |
KR20090007813U (ko) * | 2008-01-29 | 2009-08-03 | 홍진표 | 화이트보드 및 칠판용 대형 컴퍼스 |
CN203557891U (zh) * | 2013-10-31 | 2014-04-23 | 浙江工贸职业技术学院 | 一种作图方便的教学用圆规 |
CN104057754A (zh) * | 2014-06-28 | 2014-09-24 | 南京理工大学 | 一种多功能教学尺 |
CN204354668U (zh) * | 2014-12-29 | 2015-05-27 | 暴向平 | 一种地理教学用绘图装置 |
CN205033797U (zh) * | 2015-10-09 | 2016-02-17 | 陈伟强 | 一种新型教学圆规 |
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Effective date of registration: 20171103 Address after: 401120 Chongqing Longxi street, California city garden, Yubei District, 3, 8-5 Patentee after: CHONGQING FANCHAO BRAND MANAGEMENT CO., LTD. Address before: Ouhai Newbridge street 325006 Zhejiang city of Wenzhou province Xining alley No. 29 Patentee before: Chen Weiqiang |
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Effective date of registration: 20190605 Address after: 226300 Diwei Town Industrial Park, Tongzhou District, Nantong City, Jiangsu Province Patentee after: Nantong Hengqu New Materials Co., Ltd. Address before: 401120 Chongqing Yubei District Longxi Street 3 California City Garden 8-5 Patentee before: CHONGQING FANCHAO BRAND MANAGEMENT CO., LTD. |