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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1930.]
- SuDoc number:
- C 21.10:Sch 57/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1930.]
- SuDoc number:
- C 21.10:Sch 57/2
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- [1930.]
- SuDoc number:
- C 13.22/a:223
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- 1930
- SuDoc number:
- C 4.25:927/2
- Corporate/Agency Authors:
- Coast and Geodetic Survey and Commerce Department
- Publisher:
- Coast and Geodetic Survey
- Date:
- 1930
- SuDoc number:
- C 4.25:927/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1930.]
- SuDoc number:
- C 21.10:Se 57
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1930.]
- SuDoc number:
- C 21.10:Sh 23
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1930.]
- SuDoc number:
- C 21.10:Sh 23/2
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- [1930.]
- SuDoc number:
- C 13.22/a:230
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1930.]
- SuDoc number:
- C 21.10:Sh 59