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31. Manual of classification.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1967.]
SuDoc number:: C 21.12:967

32. Manual of Classification (replacement pages incorporating changes directed by classification orders issued subsequent to June 30, 1966, and prior to Oct. 1, 1966.]

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1966.]
SuDoc number:: C 21.12:963/rev.pages-16

33. Manual of classification [replacement pages incorporating changes directed by Classification orders issued subsequent to Dec. 31, 1965, and prior to Apr. 1, 1966.]

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1966.]
SuDoc number:: C 21.12:963/rev.pages-14

34. Manual of classification [replacement pages incorporating changes directed by Classification orders issued subsequent to Mar. 31, 1966, and prior to July 1, 1966].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1966.]
SuDoc number:: C 21.12:963/rev.pages-15

35. Manual of classification [replacement pages incorporating changes directed by Classification orders issued subsequent to Sept. 30, 1966, and prior to Jan. 1, 1967]

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1966.]
SuDoc number:: C 21.12:963/rev.pages-17

36. Manual of classification [replacement pages incorporating changes directed by classification orders issued subsequent to Sept. 30, 1965 and prior to Jan. 1, 1966].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1966.]
SuDoc number:: C 21.12:963/rev.pages 13

37. Manual of classification [Replacement pages incorporating changes directed by Classification orders issued subsequent to Sept. 30, 1984 and prior to Jan. 1, 1965.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1965.]
SuDoc number:: C 21.12:963/rev.pages-9

38. Manual of classification [replacement pages incorporating changes directed by Classification orders issued subsequent to Dec. 31, 1964, and prior to Apr. 1, 1965].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1965.]
SuDoc number:: C 21.12:983/rev.pages-10

39. Manual of classification [replacement pages incorporating changes directed by Classification orders issued subsequent to June 30, 1965, and prior to Oct. 1, 1965].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1965.]
SuDoc number:: C 21.12:963/rev.pages-12

40. Manual of classification [replacement pages incorporating changes directed by classification orders issued subsequent to Mar. 31, 1965, and prior to July 1, 1965].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1965.]
SuDoc number:: C 21.12:963/rev.pages 11

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