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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Feb. 11, 1930
- SuDoc number:
- C 21.5/a 2:391/2
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Feb. 8, 1930
- SuDoc number:
- C 22.8/a:Ab 84/928
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Feb. 8, 1930
- SuDoc number:
- C 22.8/a:T 49/928
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- Feb. 5, 1930
- SuDoc number:
- C 4.7/3:926/supp.3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Feb. 4, 1930
- SuDoc number:
- C 21.5/a 2:391/1
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Feb. 3, 1930
- SuDoc number:
- C 22.8/a:Si 34/928
- Corporate/Agency Authors:
- Air Commerce Bureau and Commerce Department
- Publisher:
- Air Commerce Bureau
- Date:
- Feb. 1930
- SuDoc number:
- C 23.10/3:L 137
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- Feb. 1930
- SuDoc number:
- C 4.9:8148
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- Feb. 1930
- SuDoc number:
- C 4.9:1244
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- Feb. 1930
- SuDoc number:
- C 4.9:369/4