JPS61122889U - - Google Patents
Info
- Publication number
- JPS61122889U JPS61122889U JP626485U JP626485U JPS61122889U JP S61122889 U JPS61122889 U JP S61122889U JP 626485 U JP626485 U JP 626485U JP 626485 U JP626485 U JP 626485U JP S61122889 U JPS61122889 U JP S61122889U
- Authority
- JP
- Japan
- Prior art keywords
- net
- powder receiver
- chikok
- chalkboard
- utility
- 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
- 239000000843 powder Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 2
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP626485U JPS61122889U (id) | 1985-01-22 | 1985-01-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP626485U JPS61122889U (id) | 1985-01-22 | 1985-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61122889U true JPS61122889U (id) | 1986-08-02 |
Family
ID=30483545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP626485U Pending JPS61122889U (id) | 1985-01-22 | 1985-01-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61122889U (id) |
-
1985
- 1985-01-22 JP JP626485U patent/JPS61122889U/ja active Pending