TW370229U - Block-type arithmetic exerciser - Google Patents
Block-type arithmetic exerciserInfo
- Publication number
- TW370229U TW370229U TW087211045U TW87211045U TW370229U TW 370229 U TW370229 U TW 370229U TW 087211045 U TW087211045 U TW 087211045U TW 87211045 U TW87211045 U TW 87211045U TW 370229 U TW370229 U TW 370229U
- Authority
- TW
- Taiwan
- Prior art keywords
- exerciser
- block
- type arithmetic
- arithmetic
- type
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW087211045U TW370229U (en) | 1998-07-09 | 1998-07-09 | Block-type arithmetic exerciser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW087211045U TW370229U (en) | 1998-07-09 | 1998-07-09 | Block-type arithmetic exerciser |
Publications (1)
Publication Number | Publication Date |
---|---|
TW370229U true TW370229U (en) | 1999-09-11 |
Family
ID=54648875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW087211045U TW370229U (en) | 1998-07-09 | 1998-07-09 | Block-type arithmetic exerciser |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW370229U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI756775B (en) * | 2020-08-06 | 2022-03-01 | 楊儒勳 | Ingenious wisdom math building blocks teaching aids |
-
1998
- 1998-07-09 TW TW087211045U patent/TW370229U/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI756775B (en) * | 2020-08-06 | 2022-03-01 | 楊儒勳 | Ingenious wisdom math building blocks teaching aids |
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