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- Corporate/Agency Authors:
- National Bureau of Standards
- Publisher:
- National Bureau of Standards
- Date:
- Dec. 14, 1940
- SuDoc number:
- C 13.16:622
- Corporate/Agency Authors:
- National Bureau of Standards
- Publisher:
- National Bureau of Standards
- Date:
- Dec. 13, 1940
- SuDoc number:
- C 13.16:621
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Dec. 13, 1940
- SuDoc number:
- C 13.16:620
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Nov. 8, 1940
- SuDoc number:
- C 13.16:617
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Oct. 25, 1940
- SuDoc number:
- C 13.16:616
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Oct. 25, 1940
- SuDoc number:
- C 13.16:615
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Oct. 23, 1940
- SuDoc number:
- C 13.16:614
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Oct. 9, 1940
- SuDoc number:
- C 13.16:610
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Oct. 9, 1940
- SuDoc number:
- C 13.16:611
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Sept. 25, 1940
- SuDoc number:
- C 13.16:608