Classification bulletins. 451. Class 165, Heat exchange, containing classification definitions of above class established by classification group of Patent Office by Classification order dated Dec. 14, 1962.
Publication Title:
Class 165, Heat exchange, containing classification definitions of above class established by classification group of Patent Office by Classification order dated Dec. 14, 1962.
Display Title:
Classification bulletins. 451. Class 165, Heat exchange, containing classification definitions of above class established by classification group of Patent Office by Classification order dated Dec. 14, 1962.
Series Title:
Classification bulletins.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[1962.]
Publish Date ISO Format:
1962-01-01T00:00:00Z
Publication Start:
19620101
Publication End:
19621231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1962
SuDoc number:
C 21.3:(nos.)
Description:
[30] p. 4°
Notes:
[Issued with perforations.]
Notes:
[Issued with perforations.] • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper, 25c. and • Sent to Depository Libraries. Item 252