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- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- Oct. 4, 1927
- SuDoc number:
- C 21.5/a 2:363/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Edition of Oct. 1, 1927. 1927
- SuDoc number:
- C 21.7/1:927
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- Revised Oct. 1, 1927 1927
- SuDoc number:
- C 21.8:927/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 27, 1927
- SuDoc number:
- C 21.5/a 2:362/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 20, 1927
- SuDoc number:
- C 21.5/a 2:362/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 13, 1927
- SuDoc number:
- C 21.5/a 2:362/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Sept. 6, 1927
- SuDoc number:
- C 21.5/a 2:362/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 30, 1927
- SuDoc number:
- C 21.5/a 2:361/5
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 23, 1927
- SuDoc number:
- C 21.5/a 2:361/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 16, 1927
- SuDoc number:
- C 21.5/a 2:361/3