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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- June 25, 1929
- SuDoc number:
- C 21.5/a 2:383/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- June 18, 1929
- SuDoc number:
- C 21.5/a 2:383/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- June 11, 1929
- SuDoc number:
- C 21.5/a 2:383/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- June 4, 1929
- SuDoc number:
- C 21.5/a 2:383/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 28, 1929
- SuDoc number:
- C 21.5/a 2:382/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 21, 1929
- SuDoc number:
- C 21.5/a 2:382/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 14, 1929
- SuDoc number:
- C 21.5/a 2:382/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 7, 1929
- SuDoc number:
- C 21.5/a 2:382/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 30, 1929
- SuDoc number:
- C 21.5/a 2:381/5
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Apr. 23, 1929
- SuDoc number:
- C 21.5/a 2:381/4