Classification bulletin 129, containing classification orders 12-17 of new series pertaining to classification of subjects of invention revised by Classification Group of Patent Office and includes: Class 323, Electricity, voltage magnitude and phase control systems.
Publication Title:
Classification bulletin 129, containing classification orders 12-17 of new series pertaining to classification of subjects of invention revised by Classification Group of Patent Office and includes: Class 323, Electricity, voltage magnitude and phase control systems.
Display Title:
Classification bulletin 129, containing classification orders 12-17 of new series pertaining to classification of subjects of invention revised by Classification Group of Patent Office and includes: Class 323, Electricity, voltage magnitude and phase control systems.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[1948.]
Publish Date ISO Format:
1948-01-01T00:00:00Z
Publication Start:
19480101
Publication End:
19481231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1948
SuDoc number:
C 21.3:129
Description:
22 leaves, 4°
Notes:
* For Sale by Superintendent of Documents. Paper, 20c. • Sent to Depository Libraries. Item 222
Availability:
* For Sale by Superintendent of Documents. Paper, 20c. • Sent to Depository Libraries. Item 222