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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:G 122
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.22/a:1325
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.22/a:1257
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.22/a:1283
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:G 286/3
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.22/a:1266
- Corporate/Agency Authors:
- Foreign and Domestic Commerce Bureau and Commerce Department
- Publisher:
- Foreign and Domestic Commerce Bureau
- Date:
- [January 1940]
- SuDoc number:
- C 18.185:2401/940-1 to 940-4
- Corporate/Agency Authors:
- Foreign and Domestic Commerce Bureau and Commerce Department
- Publisher:
- Foreign and Domestic Commerce Bureau
- Date:
- [January 1940]
- SuDoc number:
- C 18.185:3040/940-1 to 940-4
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.22/a:1320
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1940.]
- SuDoc number:
- C 21.10:G 862/2