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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1941.]
- SuDoc number:
- C 21.5/a 2:533/1-5
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1941.]
- SuDoc number:
- C 21.5/a 2:532/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1941.]
- SuDoc number:
- C 21.5/a 2:523/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1941.]
- SuDoc number:
- C 21.5/a 2:531/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1941.]
- SuDoc number:
- C 21.5/a 2:530/1-5
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- [January 1941]
- SuDoc number:
- C 3.(various arbitrary numbers):
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1941.]
- SuDoc number:
- C 13.22/a:1424
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Dec. 21, 1940
- SuDoc number:
- C 13.16:623
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Dec. 20, 1940
- SuDoc number:
- C 13.29:17/supp.
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Dec. 20, 1940
- SuDoc number:
- C 3.20:940-41/9