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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 18, 1931
- SuDoc number:
- C 21.5/a 2:409/3
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- Aug. 17, 1931
- SuDoc number:
- C 4.7/5:923/supp.931
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Aug. 15, 1931
- SuDoc number:
- C 3.21:930-931/12
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Aug. 12, 1931
- SuDoc number:
- C 3.25:930-931/12.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 11, 1931
- SuDoc number:
- C 21.5/a 2:409/2
- Corporate/Agency Authors:
- Lighthouses Bureau and Commerce Department
- Publisher:
- Lighthouses Bureau
- Date:
- Aug. 11, 1931
- SuDoc number:
- C 9.38/1:114
- Corporate/Agency Authors:
- Lighthouses Bureau and Commerce Department
- Publisher:
- Lighthouses Bureau
- Date:
- [Aug. 6-27, 1931]
- SuDoc number:
- C 9.41:931/23-26
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 4, 1931
- SuDoc number:
- C 21.5/a 2:409/1
- Corporate/Agency Authors:
- Aeronautics Branch and Commerce Department
- Publisher:
- Aeronautics Branch
- Date:
- Aug. 1931
- SuDoc number:
- C 23.10/1:127/2
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- Aug. 1931
- SuDoc number:
- C 4.9:435