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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:L 188
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:L 251/2
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:L 638
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:L 994/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:M 338
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:M 435
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:M 164
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:M 656
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:M 665/2
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:M 666/7