Classification bulletins. 431. Class 331, Oscillators, containing classification definitions of above class revised by Classification Group of Patent Office by classification order June 29, 1959.
Publication Title:
Class 331, Oscillators, containing classification definitions of above class revised by Classification Group of Patent Office by classification order June 29, 1959.
Display Title:
Classification bulletins. 431. Class 331, Oscillators, containing classification definitions of above class revised by Classification Group of Patent Office by classification order June 29, 1959.
Series Title:
Classification bulletins.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[1959.]
Publish Date ISO Format:
1959-01-01T00:00:00Z
Publication Start:
19590101
Publication End:
19591231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1959
SuDoc number:
C 21.3:(nos.)
Description:
[52] p. 4°
Notes:
[Issued with perforations.]
Notes:
[Issued with perforations.] • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper, 50c. and • Sent to Depository Libraries. Item 252