Classification bulletins. 131. Class 33, geometrical instruments.
Publication Title:
Class 33, geometrical instruments.
Display Title:
Classification bulletins. 131. Class 33, geometrical instruments.
Series Title:
Classification bulletins.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[Revised edition.] [June 1956.]
Publish Date ISO Format:
1956-06-01T00:00:00Z
Publication Start:
19560601
Publication End:
19560630
Corporate/Agency Author:
Patent Office
Publication month:
7
Publication year:
1956
SuDoc number:
C 21.3:(nos.)
Description:
[2]+ 23 p. 4°
Notes:
[Contains definitions of above class established by Classification Group, including all changes through classification order 197, June 28, 1956.] and [Issued with perforations.]
Notes:
[Issued with perforations.] • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper, 15c. and • Sent to Depository Libraries. Item 252