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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.10:W 147
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.10:W 689
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.10:W 769
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 3:383/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 3:383/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 3:383/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 3:383/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 25, 1928
- SuDoc number:
- C 21.5/a 2:374/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 18, 1928
- SuDoc number:
- C 21.5/a 2:374/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 11, 1928
- SuDoc number:
- C 21.5/a 2:374/2