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- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.12:940/errata 942
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.12:940/errata 941-2
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.10:P 858
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.10:R 282
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.1/2:941
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.10:R 334
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.10:R 362
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.10:R 546
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.10:R 588
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.10:R 949