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- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1947.]
- SuDoc number:
- C 21.5/a 3:503/3-598/4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1947-48.]
- SuDoc number:
- C 21.5/a 3:605/1-610/4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1947.]
- SuDoc number:
- C 21.5/a 3:599/1-604/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1946.]
- SuDoc number:
- C 21.5/a 3:588/1-593/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1946.]
- SuDoc number:
- C 21.5/a 3:582/5-587/4
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1945.]
- SuDoc number:
- C 21.5/a 3:570/1-575/3
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1945.]
- SuDoc number:
- C 21.5/a 3:575/4-581/4
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1944.]
- SuDoc number:
- C 21.5/a 3:558/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1944.]
- SuDoc number:
- C 21.5/a 3:561/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1944.]
- SuDoc number:
- C 21.5/a 3:565/1-5