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- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- May 29, 1928
- SuDoc number:
- C 21.5/a 2:370/5
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- May 22, 1928
- SuDoc number:
- C 21.5/a 2:370/4
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- May 15, 1928
- SuDoc number:
- C 21.5/a 2:370/3
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- May 8, 1928
- SuDoc number:
- C 21.5/a 2:370/2
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- May 1, 1928
- SuDoc number:
- C 21.5/a 2:370/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 24, 1928
- SuDoc number:
- C 21.5/a 2:369/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 17, 1928
- SuDoc number:
- C 21.5/a 2:369/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 10, 1928
- SuDoc number:
- C 21.5/a 2:369/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 3, 1928
- SuDoc number:
- C 21.5/a 2:369/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Revised Apr. 1, 1928. [1928.]
- SuDoc number:
- C 21.2:T 67/928