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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:G 862/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:G 868/2
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:H 127
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:H 369
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:H 377
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:H 377/2
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:H 417
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:H 556
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:H 734
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.2:C 56/no.8