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- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.10:B 976
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.10:C 197/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.10:C 197
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.10:C 355/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.10:C 692
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.10:C 886
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.10:D 374
- 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