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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Revised Sept. 1, 1938. 1938
- SuDoc number:
- C 21.2:T 67/938-2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 30, 1938
- SuDoc number:
- C 21.5/a 2:493/5
- Corporate/Agency Authors:
- Lighthouses Bureau and Commerce Department
- Publisher:
- Lighthouses Bureau
- Date:
- Aug. 26, 1938
- SuDoc number:
- C 9.38/1:129
- Corporate/Agency Authors:
- Foreign and Domestic Commerce Bureau and Commerce Department
- Publisher:
- Foreign and Domestic Commerce Bureau
- Date:
- Aug. 25, 1938
- SuDoc number:
- C 18.180/3:10
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Aug. 25, 1938
- SuDoc number:
- C 13.11:23
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- Aug. 23, 1938
- SuDoc number:
- C 13.29:3
- Corporate/Agency Authors:
- Foreign and Domestic Commerce Bureau and Commerce Department
- Publisher:
- Foreign and Domestic Commerce Bureau
- Date:
- Aug. 23, 1938
- SuDoc number:
- C 18.199:938/7
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Aug. 23, 1938
- SuDoc number:
- C 3.20:938-39/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 23, 1938
- SuDoc number:
- C 21.5/a 2:493/1
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Aug. 20, 1938
- SuDoc number:
- C 3.53:938/7