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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Dec. 17, 1929
- SuDoc number:
- C 21.5/a 2:389/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Dec. 10, 1929
- SuDoc number:
- C 21.5/a 2:389/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Dec. 3, 1929
- SuDoc number:
- C 21.5/a 2:389/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Nov. 26, 1929
- SuDoc number:
- C 21.5/a 2:388/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Nov. 19, 1929
- SuDoc number:
- C 21.5/a 2:388/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Nov. 12, 1929
- SuDoc number:
- C 21.5/a 2:388/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Nov. 5, 1929
- SuDoc number:
- C 21.5/a 2:388/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 24, 1929
- SuDoc number:
- C 21.5/a 2:386/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 17, 1929
- SuDoc number:
- C 21.5/a 2:386/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 10, 1929
- SuDoc number:
- C 21.5/a 2:386/2