Author: Commerce Dept. / Sudoc Stem: C 21.12 - Blacklight Search Results

Start Over Author Commerce Dept. Sudoc Stem C 21.12

111. Manual of classification, list of replacement sheets.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.12:949/rev.pages 6

112. Manual of classification, list of replacement sheets.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.12:947/rev.pages-4

113. Manual of classification.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.12:947/rev.pages-3

114. Manual of classification, amended to Apr. 1948.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1948.]
SuDoc number:: C 21.12:948

115. Index to classification of patents, July 1, 1947.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1947.]
SuDoc number:: C 21.12:947/ind.

116. Manual of classification of patents [revised to July 1947].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1947.]
SuDoc number:: C 21.12:947

117. Manual of classification [July 1947, replacement sheets; Oct. 1951].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
SuDoc number:: C 21.12:947/rev.pages-13

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