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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:T 257
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.22/a:1306
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.22/a:1314
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- 1940
- SuDoc number:
- C 13.12/1:143/3
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.22/a:1303
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.22/a:1304
- Corporate/Agency Authors:
- Foreign and Domestic Commerce Bureau and Commerce Department
- Publisher:
- Foreign and Domestic Commerce Bureau
- Date:
- [1940.]
- SuDoc number:
- C 18.149:2/31-35
- Corporate/Agency Authors:
- Foreign and Domestic Commerce Bureau and Commerce Department
- Publisher:
- Foreign and Domestic Commerce Bureau
- Date:
- [1940.]
- SuDoc number:
- C 18.149:2/36-38
- Corporate/Agency Authors:
- Foreign and Domestic Commerce Bureau and Commerce Department
- Publisher:
- Foreign and Domestic Commerce Bureau
- Date:
- [1940.]
- SuDoc number:
- C 18.149:2/14-18
- Corporate/Agency Authors:
- Foreign and Domestic Commerce Bureau and Commerce Department
- Publisher:
- Foreign and Domestic Commerce Bureau
- Date:
- [1940.]
- SuDoc number:
- C 18.149:2/1-4