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

Start Over Catalog Issue Year Decade 1930 - 1939 Sudoc Stem C 21.12

21. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, Jan. 1-June 30, 1936.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1936.]
SuDoc number:: C 21.12:929/errata 936

22. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, July 1-Dec. 31, 1935.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1936.]
SuDoc number:: C 21.12:929/errata 935-2

23. Patents. [substitute pages containing corrections].

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: 1936
SuDoc number:: C 21.12:929/p.71-72/rev.-2, etc.

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

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1935.]
SuDoc number:: C 21.12:929/p.51-52A/rev., etc.

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

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1935
SuDoc number:: C 21.12:929/p.67-68/rev.

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

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1935
SuDoc number:: C 21.12:929/p.39-40/rev., etc.

27. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, Jan. 1-June 30, 1935.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1935.]
SuDoc number:: C 21.12:929/errata 935

28. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, July 1-Dec. 31, 1934.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1935.]
SuDoc number:: C 21.12:929/errata 934-2

29. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, [substitute pages containing corrections].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1935
SuDoc number:: C 21.12:929/p.95-96b/rev.

30. Patents. [Manual of classification of patents, 1920, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1934.]
SuDoc number:: C 21.12:929/p.41,42/rev.etc.

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