- Publication Title:
- School chalk.
- Display Title:
- Voluntary product standard PS (series). 30-70. School chalk.
- Series Title:
- Voluntary product standard PS (series).
- Corporate Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Sort Author:
- National Bureau of Standards
- Author place:
- Gaithersburg, MD
- Author zip:
- 20760
- Date:
- [May 1971.]
- Publish Date ISO Format:
- 1971-05-01T00:00:00Z
- Publication Start:
- 19710501
- Publication End:
- 19710531
- Corporate/Agency Author:
- National Bureau of Standards
- Publication month:
- 8
- Publication year:
- 1971
- SuDoc number:
- C 13.20/2:(nos.)
- Description:
- [2]+ii+12 p.
- Notes:
- [Effective July 31, 1970.] and ([Office of Engineering Standards Service.])
- Notes:
- ([Office of Engineering Standards Service.]) • Sent to Depository Libraries. Item 243
- Availability:
- * For Sale by Superintendent of Documents. Paper, 15c. and • Sent to Depository Libraries. Item 243
- GPO Item number:
- 243
- Monthly Catalog date:
- June 1971
- Monthly Catalog issue number:
- 917
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1971-06-01T00:00:00Z
- Monthly Catalog entry number:
- 9968
- Record start page number:
- 69