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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1935
- SuDoc number:
- C 21.5:451/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1935.]
- SuDoc number:
- C 21.5:452/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1935
- SuDoc number:
- C 21.5:453/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1935.]
- SuDoc number:
- C 21.5:454/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1935.]
- SuDoc number:
- C 21.5:459/1-5
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1935.]
- SuDoc number:
- C 21.5:458/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1934
- SuDoc number:
- C 21.5:437/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Federal Employment Stabilization Office
- Publisher:
- Patent Office
- Date:
- 1934
- SuDoc number:
- C 21.5:441/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1934.]
- SuDoc number:
- C 21.5:443/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1934
- SuDoc number:
- C 21.5:446/t.p.&cont.