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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:M 687
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:M 739
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:N 636/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:N 99
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:N 99/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1928.]
- SuDoc number:
- C 21.5/a 4:374/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1928.]
- SuDoc number:
- C 21.5/a 4:374/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1928.]
- SuDoc number:
- C 21.5/a 4:374/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1928.]
- SuDoc number:
- C 21.5/a 4:374/1
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.5:376/t.p.&cont,