JPH0173870U - - Google Patents
Info
- Publication number
- JPH0173870U JPH0173870U JP1987168944U JP16894487U JPH0173870U JP H0173870 U JPH0173870 U JP H0173870U JP 1987168944 U JP1987168944 U JP 1987168944U JP 16894487 U JP16894487 U JP 16894487U JP H0173870 U JPH0173870 U JP H0173870U
- Authority
- JP
- Japan
- Prior art keywords
- abacus
- computer
- practice device
- arithmetic
- bead
- 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.)
- Pending
Links
- 239000011324 bead Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrically Operated Instructional Devices (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Input From Keyboards Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987168944U JPH0173870U (enrdf_load_stackoverflow) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987168944U JPH0173870U (enrdf_load_stackoverflow) | 1987-11-06 | 1987-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0173870U true JPH0173870U (enrdf_load_stackoverflow) | 1989-05-18 |
Family
ID=31458568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987168944U Pending JPH0173870U (enrdf_load_stackoverflow) | 1987-11-06 | 1987-11-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0173870U (enrdf_load_stackoverflow) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5521349A (en) * | 1978-07-31 | 1980-02-15 | Hitachi Metals Ltd | Granular material loading method |
JPS5850466B2 (ja) * | 1972-12-04 | 1983-11-10 | シ−メンス アクチエンゲゼルシヤフト | インサツデンシンソウ ジユシンキノドウキドウサホウホウ |
JPS5926417U (ja) * | 1982-08-06 | 1984-02-18 | 株式会社クボタ | 焼却炉のコンベヤ |
-
1987
- 1987-11-06 JP JP1987168944U patent/JPH0173870U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5850466B2 (ja) * | 1972-12-04 | 1983-11-10 | シ−メンス アクチエンゲゼルシヤフト | インサツデンシンソウ ジユシンキノドウキドウサホウホウ |
JPS5521349A (en) * | 1978-07-31 | 1980-02-15 | Hitachi Metals Ltd | Granular material loading method |
JPS5926417U (ja) * | 1982-08-06 | 1984-02-18 | 株式会社クボタ | 焼却炉のコンベヤ |