Classification bulletins. 406. Class 137, Fluid handling, June 6, 1952.
Publication Title:
Class 137, Fluid handling, June 6, 1952.
Display Title:
Classification bulletins. 406. Class 137, Fluid handling, June 6, 1952.
Series Title:
Classification bulletins.
Corporate Agency Authors:
Patent Office, Commerce Dept.
Sort Author:
Patent Office, Commerce Dept.
Date:
[1952.]
Publish Date ISO Format:
1952-01-01T00:00:00Z
Publication Start:
19520101
Publication End:
19521231
Corporate/Agency Author:
Patent Office, Commerce Dept.
Publication month:
13
Publication year:
1952
SuDoc number:
C 21.3:(nos.)
Description:
[2]+ii+45+[1]+8+ 136 p. 4°
Notes:
[Contains classification order 127 pertaining to classification of subjects of invention revised by Classification Group of Patent Office.] and [Issued with perforations.]
Notes:
[Issued with perforations.] • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper, $1.20. and • Sent to Depository Libraries. Item 252