CN201338483Y - 风吸式黑板擦 - Google Patents
风吸式黑板擦 Download PDFInfo
- Publication number
- CN201338483Y CN201338483Y CNU2008202410053U CN200820241005U CN201338483Y CN 201338483 Y CN201338483 Y CN 201338483Y CN U2008202410053 U CNU2008202410053 U CN U2008202410053U CN 200820241005 U CN200820241005 U CN 200820241005U CN 201338483 Y CN201338483 Y CN 201338483Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- fan
- suction type
- shell
- type blackboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000428 dust Substances 0.000 claims abstract description 25
- 241000870659 Crassula perfoliata var. minor Species 0.000 abstract 3
- 238000005096 rolling process Methods 0.000 abstract 2
- 238000003860 storage Methods 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 206010003694 Atrophy Diseases 0.000 description 1
- 206010014561 Emphysema Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Landscapes
- Cleaning In General (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202410053U CN201338483Y (zh) | 2008-12-26 | 2008-12-26 | 风吸式黑板擦 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202410053U CN201338483Y (zh) | 2008-12-26 | 2008-12-26 | 风吸式黑板擦 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201338483Y true CN201338483Y (zh) | 2009-11-04 |
Family
ID=41234021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008202410053U Expired - Lifetime CN201338483Y (zh) | 2008-12-26 | 2008-12-26 | 风吸式黑板擦 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201338483Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108382105A (zh) * | 2018-03-12 | 2018-08-10 | 南京工程学院 | 一种高效的清洁擦 |
-
2008
- 2008-12-26 CN CNU2008202410053U patent/CN201338483Y/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108382105A (zh) * | 2018-03-12 | 2018-08-10 | 南京工程学院 | 一种高效的清洁擦 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121218 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121218 Address after: 440079 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 189 Patentee after: Wuhan Electric Power Technology College Patentee after: State Grid Corporation of China Address before: 440079 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 189 Patentee before: Wuhan Electric Power Technology College |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20091104 |