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- Corporate/Agency Authors:
- Patent Office and Federal Employment Stabilization Office
- Publisher:
- Patent Office
- Date:
- [1934.]
- SuDoc number:
- C 21.5/a 4:442/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1934.]
- SuDoc number:
- C 21.5/a 4:448/1
- Corporate/Agency Authors:
- Patent Office and Agriculture Department
- Publisher:
- Patent Office
- Date:
- [1934.]
- SuDoc number:
- C 21.5/a 4:446/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1934.]
- SuDoc number:
- C 21.5/a 4:447/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1934.]
- SuDoc number:
- C 21.5/a 4:439/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1934.]
- SuDoc number:
- C 21.5/a 4:439/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1934.]
- SuDoc number:
- C 21.5/a 4:439/1
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1934.]
- SuDoc number:
- C 21.5/a 4:441/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [Aug. 29, 1933]. [1933.]
- SuDoc number:
- C 21.5/a 4:433/5
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [Aug. 22, 1933]. [1933.]
- SuDoc number:
- C 21.5/a 4:433/4