[Issued in loose-leaf form.] Not sold separately: included in subscription to Manual of classification of patents, which is
Notes:
[Issued in loose-leaf form.] Not sold separately: included in subscription to Manual of classification of patents, which is * For Sale by Superintendent of Documents. Paper, $8.50 (including basic manual, and index, and revised pages for approximately 2 years); $2.00 additional for foreign mailing. • Sent to Depository Libraries. Item 257
Availability:
* For Sale by Superintendent of Documents. Paper, $8.50 (including basic manual, and index, and revised pages for approximately 2 years); $2.00 additional for foreign mailing. • Sent to Depository Libraries. Item 257