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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Dec. 15, 1931
- SuDoc number:
- C 21.5/a 2:413/3
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Dec. 14, 1931
- SuDoc number:
- C 22.8/a:B 329/930
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Dec. 14, 1931
- SuDoc number:
- C 3.21:931-932/4
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Dec. 14, 1931
- SuDoc number:
- C 22.8/a:V 26/930
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Dec. 12, 1931
- SuDoc number:
- C 3.25:931-932/4
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Dec. 8, 1931
- SuDoc number:
- C 3.20:931-932/7
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Dec. 8, 1931
- SuDoc number:
- C 21.5/a 2:413/2
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Dec. 7, 1931
- SuDoc number:
- C 13.4:396
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Dec. 7, 1931
- SuDoc number:
- C 22.8/a:An 86/2/930
- Corporate/Agency Authors:
- Lighthouses Bureau and Commerce Department
- Publisher:
- Lighthouses Bureau
- Date:
- [Dec. 3, 1931]
- SuDoc number:
- C 9.41:931/40