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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.6:928
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- Jan. 1, 1929
- SuDoc number:
- C 21.5/a 2:378/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.10:D 424
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.10:D 646
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.10:D 922
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.10:Es 16
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.10:F 522/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.10:F 522/2
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.10:F 534