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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1949.]
- SuDoc number:
- C 21.5/a 2:623/1-628/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948-49.]
- SuDoc number:
- C 21.5/a 2:617/1-622/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948.]
- SuDoc number:
- C 21.5/a 2:611/1-616/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1947-48.]
- SuDoc number:
- C 21.5/a 2:605/2-610/4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1947.]
- SuDoc number:
- C 21.5/a 2:599/2-605/no.1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1946.]
- SuDoc number:
- C 21.5/a 2:582/1-587/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1946.]
- SuDoc number:
- C 21.5/a 2:588/1-593/4
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1945.]
- SuDoc number:
- C 21.5/a 2:570/1-575/4
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1945.]
- SuDoc number:
- C 21.5/a 2:576/1-581/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1944.]
- SuDoc number:
- C 21.5/a 2:564/1-4