Catalog Issue Year Decade: 1960 - 1969 / Sudoc Stem: C 21.12 - Blacklight Search Results

Start Over Catalog Issue Year Decade 1960 - 1969 Sudoc Stem C 21.12

31. Manual of classification [replacement sheets incorporating changes directed by Classification orders issued subsequent to Dec. 5, 1960, and prior to Apr. 1, 1961; Apr. 1961.]

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1961.]
SuDoc number:: C 21.12:960/rev.pages-2

32. Manual of classification [replacement sheets incorporating changes directed by Classification orders issued subsequent to June 30, 1961, and prior to Oct. 3, 1961; Oct. 1961].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1961.]
SuDoc number:: C 21.12:960/rev.pages-4

33. Manual of classification [replacement sheets incorporating changes directed by Classification orders issued subsequent to Mar. 31, 1961, and prior to July 1, 1961; July 1961].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1961.]
SuDoc number:: C 21.12:960/rev.pages-3

34. Manual of classification [replacement sheets incorporating changes directed by Classification orders issued subsequent to Mar. 31, and prior to Dec. 6, 1960; Jan. 1961]

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1961.]
SuDoc number:: C 21.12:960/rev.pages

35. Manual of classification [replacement sheets; Apr. 1960].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1960.]
SuDoc number:: C 21.12:947/rev.puges-6

36. Manual of classification [replacement sheets; Jan. 1960].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1960.]
SuDoc number:: C 21.12:947/rev.pages-45

37. Manual of classification.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1960.]
SuDoc number:: C 21.12:960

38. Manual of classification [replacement sheets Oct. 1959].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1959.]
SuDoc number:: C 21.12:947/rev.page 44

39. Manual of classification.

SuDoc number:: C 21.12:(date)

40. Manual of classification.

SuDoc number:: C 21.12:(date)

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