JPH0542449Y2 - - Google Patents
Info
- Publication number
- JPH0542449Y2 JPH0542449Y2 JP18644487U JP18644487U JPH0542449Y2 JP H0542449 Y2 JPH0542449 Y2 JP H0542449Y2 JP 18644487 U JP18644487 U JP 18644487U JP 18644487 U JP18644487 U JP 18644487U JP H0542449 Y2 JPH0542449 Y2 JP H0542449Y2
- Authority
- JP
- Japan
- Prior art keywords
- display
- sealed cavity
- answer
- fluid
- sealed
- 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
- 239000012530 fluid Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 description 3
- 239000000975 dye Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Landscapes
- Toys (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18644487U JPH0542449Y2 (enEXAMPLES) | 1987-12-09 | 1987-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18644487U JPH0542449Y2 (enEXAMPLES) | 1987-12-09 | 1987-12-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0190063U JPH0190063U (enEXAMPLES) | 1989-06-14 |
| JPH0542449Y2 true JPH0542449Y2 (enEXAMPLES) | 1993-10-26 |
Family
ID=31477672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18644487U Expired - Lifetime JPH0542449Y2 (enEXAMPLES) | 1987-12-09 | 1987-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0542449Y2 (enEXAMPLES) |
-
1987
- 1987-12-09 JP JP18644487U patent/JPH0542449Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0190063U (enEXAMPLES) | 1989-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5958525A (en) | Device and kit | |
| US3726027A (en) | Teaching aid and educational toy | |
| US4063369A (en) | Visual communication tool for children | |
| US20050247581A1 (en) | Reusable environmentally friendly package and storage album | |
| US4563154A (en) | Tracing stencil tablet | |
| US6129550A (en) | Educating special needs children about place settings | |
| Miller | Reading comes naturally: A mother and her blind child's experiences | |
| JPH0542449Y2 (enEXAMPLES) | ||
| US5114346A (en) | Teaching means | |
| US4553944A (en) | Mathematical teaching device | |
| CN211906542U (zh) | 一种幼儿识数教学用教学用具 | |
| US6884082B1 (en) | Sensory feedback educational tool | |
| US4146977A (en) | Educational toy | |
| US20050258633A1 (en) | Coloring book with elevated outline portions | |
| JPH0542448Y2 (enEXAMPLES) | ||
| KR20080091316A (ko) | 음악 교육용 교재 | |
| US3462853A (en) | Educational device | |
| Bentzen | 12. Tangible graphic displays in the education of the blind persons | |
| KR20170026698A (ko) | 스토리텔링과 촉감을 활용한 학습교구 | |
| JP2008529055A (ja) | 対話式原子モデル | |
| KR200279393Y1 (ko) | 유아·아동학습용 교재판 | |
| US4822284A (en) | Educational appliance for teaching handwriting skills | |
| JPS6022365Y2 (ja) | 児童用教習具 | |
| KR101468333B1 (ko) | 그림연습용 교재 | |
| JPS6111728Y2 (enEXAMPLES) |