Classification bulletin. 448. Class 55. Gas separation, containing classification definitions of above class established by Classification Group of Patent Office by Classification order 331, dated Apr. 5, 1962.
Publication Title:
Class 55. Gas separation, containing classification definitions of above class established by Classification Group of Patent Office by Classification order 331, dated Apr. 5, 1962.
Display Title:
Classification bulletin. 448. Class 55. Gas separation, containing classification definitions of above class established by Classification Group of Patent Office by Classification order 331, dated Apr. 5, 1962.
Series Title:
Classification bulletin.
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 21.3:448
Description:
[81] p. large 8°
Notes:
[Issued with perforations.]
Notes:
[Issued with perforations.] • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper. $1.00. and • Sent to Depository Libraries. Item 252