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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Revised July 1, 1933. 1933
- SuDoc number:
- C 21.2:T 67/933
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1933
- SuDoc number:
- C 21.2:P 27/933
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Revised Aug. 1, 1932. 1932
- SuDoc number:
- C 21.2:T 67/932
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Revised May 1, 1931. 1931
- SuDoc number:
- C 21.2:T 67/931
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1931
- SuDoc number:
- C 21.2:P 27/931
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.2:P 27/929
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Revised Apr. 1, 1928. [1928.]
- SuDoc number:
- C 21.2:T 67/928
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1928.]
- SuDoc number:
- C 21.2:F 32
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1927
- SuDoc number:
- C 21.2:P 27/927
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- Revised Sept. 1, 1926. [1926.]
- SuDoc number:
- C 21.2:T 67/926