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- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- June 1, 1940
- SuDoc number:
- C 13.16:596
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Apr. 27, 1940
- SuDoc number:
- C 13.16:593
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Apr. 15, 1940
- SuDoc number:
- C 13.16:590
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Apr. 6, 1940
- SuDoc number:
- C 13.16:588
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Apr. 3, 1940
- SuDoc number:
- C 13.16:587
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Mar. 23, 1940
- SuDoc number:
- C 13.16:585
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Mar. 1, 1940
- SuDoc number:
- C 13.16:584
- Corporate/Agency Authors:
- National Bureau of Standards
- Publisher:
- National Bureau of Standards
- Date:
- Feb. 7, 1940
- SuDoc number:
- C 13.16:583
- Corporate/Agency Authors:
- National Bureau of Standards
- Publisher:
- National Bureau of Standards
- Date:
- Jan. 6, 1940
- SuDoc number:
- C 13.16:581
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1940.]
- SuDoc number:
- C 13.16:619