- Publication Title:
- Index to classification, Apr. 1, 1949.
- Display Title:
- Index to classification, Apr. 1, 1949.
- Corporate Agency Authors:
- Patent Office and Commerce Dept.
- Sort Author:
- Patent Office
- Date:
- [1949.]
- Publish Date ISO Format:
- 1949-01-01T00:00:00Z
- Publication Start:
- 19490101
- Publication End:
- 19491231
- Corporate/Agency Author:
- Patent Office
- Publication month:
- 13
- Publication year:
- 1949
- SuDoc number:
- C 21.12/2:949
- Description:
- [3]+192 p. large 8°
- Notes:
- [Issued with perforations.]
- Notes:
- [Issued with perforations.] * For Sale by Superintendent of Documents. Paper, 65c. • Sent to Depository Libraries. Item 227
- Availability:
- * For Sale by Superintendent of Documents. Paper, 65c. • Sent to Depository Libraries. Item 227
- GPO Item number:
- 227
- Monthly Catalog date:
- October 1949
- Monthly Catalog issue number:
- 657
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1949-10-01T00:00:00Z
- Monthly Catalog entry number:
- 22294
- Record start page number:
- 73