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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 22, 1931
- SuDoc number:
- C 21.5/a 2:410/4
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Sept. 22, 1931
- SuDoc number:
- C 22.8/a:Sa 37/930
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- Sept. 21, 1931
- SuDoc number:
- C 4.6/4:926/supp.6
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 15, 1931
- SuDoc number:
- C 21.5/a 2:410/3
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Sept. 14, 1931
- SuDoc number:
- C 3.21:931-932/1
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- Sept. 11, 1931
- SuDoc number:
- C 4.6/1:D/3/supp.931
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Sep. 11, 1931
- SuDoc number:
- C 22.8/a:F 95/930
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Sept. 8, 1931
- SuDoc number:
- C 22.8/a:An 87/930
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Sept. 8, 1931
- SuDoc number:
- C 3.20:931-932/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 8, 1931
- SuDoc number:
- C 21.5/a 2:410/2