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This Japanese Industrial Standard specifies chalks made of calcined plaster and calcium carbonate to be used on a blackboard.
| Author | JSA |
|---|---|
| Editor | JSA |
| Document type | Standard |
| Format | File |
| Confirmation date | 2017-10-20 |
| ICS | 97.180 : Miscellaneous domestic and commercial equipment |
| Number of pages | 10 |
| Replace | JIS S 6009 (1995-07-01) |
| Year | 2013 |
| Document history | JIS S 6009 (2013-02-20) |
| Country | Japan |
| Keyword | JIS 6009;6009 |