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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Dec. 28, 1926
- SuDoc number:
- C 21.5/a 2:353/4
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Dec. 28, 1926
- SuDoc number:
- C 13.4:318
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Dec. 27, 1926
- SuDoc number:
- C 22.8/a:Ir 6/925
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Dec. 23, 1926
- SuDoc number:
- C 22.8/a:L 629/925
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Dec. 23, 1926
- SuDoc number:
- C 22.8/a:G 21/925
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Dec. 22, 1926
- SuDoc number:
- C 22.8/a:C 579/925
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Dec. 21, 1926
- SuDoc number:
- C 21.5/a 2:353/3
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Dec. 21, 1926
- SuDoc number:
- C 13.4:288/2
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Dec. 20, 1926
- SuDoc number:
- C 22.8/a:B 239/925
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Dec. 20, 1926
- SuDoc number:
- C 3.20:926-27/7