CN110757995B - 一种经济学用条形图绘图装置 - Google Patents
一种经济学用条形图绘图装置 Download PDFInfo
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- CN110757995B CN110757995B CN201911238095.XA CN201911238095A CN110757995B CN 110757995 B CN110757995 B CN 110757995B CN 201911238095 A CN201911238095 A CN 201911238095A CN 110757995 B CN110757995 B CN 110757995B
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- 235000014676 Phragmites communis Nutrition 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 210000003813 thumb Anatomy 0.000 claims description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 244000273256 Phragmites communis Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/20—Curve rulers or templets
- B43L13/201—Stencils for drawing figures, objects
- B43L13/205—Stencils for drawing figures, objects geometrical figures
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911238095.XA CN110757995B (zh) | 2019-12-06 | 2019-12-06 | 一种经济学用条形图绘图装置 |
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CN201911238095.XA CN110757995B (zh) | 2019-12-06 | 2019-12-06 | 一种经济学用条形图绘图装置 |
Publications (2)
Publication Number | Publication Date |
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CN110757995A CN110757995A (zh) | 2020-02-07 |
CN110757995B true CN110757995B (zh) | 2021-11-23 |
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Family Applications (1)
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CN201911238095.XA Active CN110757995B (zh) | 2019-12-06 | 2019-12-06 | 一种经济学用条形图绘图装置 |
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CN (1) | CN110757995B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114537024B (zh) * | 2022-04-12 | 2023-08-11 | 南京航空航天大学金城学院 | 一种经济学教学用条形图绘图装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0612515B2 (ja) * | 1987-08-07 | 1994-02-16 | 日本ビクター株式会社 | Xyzプロツタ |
JP3548277B2 (ja) * | 1995-05-17 | 2004-07-28 | ペンタックス株式会社 | マルチビーム記録装置およびマルチビーム記録装置の開口板製作方法 |
CN2399993Y (zh) * | 1999-12-13 | 2000-10-11 | 李长海 | 具有临摹功能的写字桌 |
CN202123853U (zh) * | 2011-07-13 | 2012-01-25 | 东北石油大学 | 一种用于数学领域中的函数作图器 |
CN202896157U (zh) * | 2012-11-28 | 2013-04-24 | 刘志 | 一种美术专业用的透写台 |
JP2016168834A (ja) * | 2015-03-12 | 2016-09-23 | 株式会社オーディオテクニカ | 筆記補助線投影装置 |
CN205736598U (zh) * | 2016-07-05 | 2016-11-30 | 丁炜 | 一种壁画投影临摹机 |
CN206274432U (zh) * | 2016-09-21 | 2017-06-23 | 陈新德 | 一种微投临摹显示装置 |
CN206953856U (zh) * | 2016-12-22 | 2018-02-02 | 狄汶洁 | 高中理科生学习用具 |
CN107351576B (zh) * | 2017-07-08 | 2019-01-22 | 潍坊科技学院 | 一种经济学教学用条形图绘图装置 |
CN108162645A (zh) * | 2018-02-13 | 2018-06-15 | 张天济 | 多功能数学教学尺 |
CN208584988U (zh) * | 2018-06-29 | 2019-03-08 | 贵阳学院 | 一种等比例放大小型节肢动物的快速绘图装置 |
CN109274854B (zh) * | 2018-11-22 | 2024-05-10 | 威海华菱光电股份有限公司 | 图像读取装置 |
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Effective date of registration: 20210514 Address after: 236600 No.45, Liuzhai, Gangji village committee, Maji Town, Taihe County, Fuyang City, Anhui Province Applicant after: Liu Fan Address before: 243000 No.106, building 37, Garden Village 2, Gangcheng, Yushan District, Ma'anshan City, Anhui Province Applicant before: Xia Chen |
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Effective date of registration: 20211105 Address after: No.2, F-type factory building, No.18, Yunlong Road, Longhu high tech Zone, Huaibei Economic Development Zone, Anhui Province Applicant after: Huaibei hehuoren Technology Co.,Ltd. Address before: 236600 No.45, Liuzhai, Gangji village committee, Maji Town, Taihe County, Fuyang City, Anhui Province Applicant before: Liu Fan |
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Effective date of registration: 20240105 Address after: 710000, Room 1023, Building 1, Fumanyuan Community, Xingshansi West Street, Yanta District, Xi'an City, Shaanxi Province Patentee after: Bo Yuan Technology (Xi'an) Co.,Ltd. Address before: No.2, F-type factory building, No.18, Yunlong Road, Longhu high tech Zone, Huaibei Economic Development Zone, Anhui Province Patentee before: Huaibei hehuoren Technology Co.,Ltd. |
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