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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- June 7, 1932
- SuDoc number:
- C 21.5/a 2:419/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 31, 1932
- SuDoc number:
- C 21.5/a 2:418/5
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 24, 1932
- SuDoc number:
- C 21.5/a 2:418/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 17, 1932
- SuDoc number:
- C 21.5/a 2:418/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 10, 1932
- SuDoc number:
- C 21.5/a 2:418/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 3, 1932
- SuDoc number:
- C 21.5/a 2:418/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 26, 1932
- SuDoc number:
- C 21.5/a 2:417/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 19, 1932
- SuDoc number:
- C 21.5/a 2:417/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 12, 1932
- SuDoc number:
- C 21.5/a 2:417/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 5, 1932
- SuDoc number:
- C 21.5/a 2:417/1