Inventions. Changes in classification [of inventions, order 3417, 3420-23, 3425-26; Dec. 31, 1937-Apr. 27, 1938].
Publication Title:
Inventions. Changes in classification [of inventions, order 3417, 3420-23, 3425-26; Dec. 31, 1937-Apr. 27, 1938].
Display Title:
Inventions. Changes in classification [of inventions, order 3417, 3420-23, 3425-26; Dec. 31, 1937-Apr. 27, 1938].
Corporate Agency Authors:
Patent Office
Sort Author:
Patent Office
Date:
[1938.]
Publish Date ISO Format:
1938-01-01T00:00:00Z
Publication Start:
19380101
Publication End:
19381231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1938
SuDoc number:
C 21.5/a 6:938
Description:
8 leaves, large 8°
Notes:
[Issued in loose-leaf form. From Official gazette, v. 486, no. 4, v. 487, no. 4, v. 488, no. 4, v. 489, nos. 2 and 4, v. 490, nos. 2 and 3.]
Notes:
[Issued in loose-leaf form. From Official gazette, v. 486, no. 4, v. 487, no. 4, v. 488, no. 4, v. 489, nos. 2 and 4, v. 490, nos. 2 and 3.] ‡ Official Use. Not Available.