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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.5:384/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1929
- SuDoc number:
- C 21.5:386/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 4:386/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 4:386/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 4:386/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 4:386/1
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 4:378/3
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 4:378/4
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 4:378/5
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1929.]
- SuDoc number:
- C 21.5/a 4:378/2