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- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Jan. 12, 1928
- SuDoc number:
- C 22.8/a:R 182/926
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Jan. 12, 1928
- SuDoc number:
- C 13.8:363
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Jan. 10, 1928
- SuDoc number:
- C 22.8/a:C 631/925
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Jan. 10, 1928
- SuDoc number:
- C 21.5/a 2:366/2
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Jan. 10, 1928
- SuDoc number:
- C 13.8:362
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Jan. 9, 1928
- SuDoc number:
- C 13.3/a:568
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Jan. 9, 1928
- SuDoc number:
- C 22.8/a:C 66/925
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Jan. 5, 1928
- SuDoc number:
- C 22.8/a:Si 39/926
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Jan. 3, 1928
- SuDoc number:
- C 21.5/a 2:366/1
- Corporate/Agency Authors:
- Lighthouses Bureau and Commerce Department
- Publisher:
- Lighthouses Bureau
- Date:
- 1928
- SuDoc number:
- C 9.30:928