Publish Year Decade: 1930 - 1939 / Sudoc Stem: C 21.12 - Blacklight Search Results

Start Over Publish Year Decade 1930 - 1939 Sudoc Stem C 21.12

11. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1937
SuDoc number:: C 21.12:929/p.1-9/rev.2, etc.

12. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1937
SuDoc number:: C 21.12:929/p.39-40/rev.-2, etc.

13. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1937
SuDoc number:: C 21.12:929/p.75-75B/rev., etc.

14. Patents. [Manual of classification of patents, 1929] [substitute pages containing corrections].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1937
SuDoc number:: C 21.12:929/p.74A, rev., etc,

15. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, Jan. 1-June 30, 1937.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1937.]
SuDoc number:: C 21.12:929/errata 937

16. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, July 1-Dec. 31, 1936.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1937.]
SuDoc number:: C 21.12:929/errata 936-2

17. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1936
SuDoc number:: C 21.12:929/p.229-230/rev., etc.

18. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1936
SuDoc number:: C 21.12:929/p.89-90/rev., etc.

19. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1936
SuDoc number:: C 21.12:929/p.73-74/rev.-2, etc.

20. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1936
SuDoc number:: C 21.12:929/p.29/rev., etc.

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