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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Jan. 17, 1928
- SuDoc number:
- C 21.5/a 2:366/3
- 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:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Jan. 3, 1928
- SuDoc number:
- C 21.5/a 2:366/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:Al 58
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:An 26
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:An 44
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:B 173
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:B 285
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:B 285/2
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1928
- SuDoc number:
- C 21.10:B 341