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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1949.]
- SuDoc number:
- C 21.5/a 1:623/1-628/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948-49.]
- SuDoc number:
- C 21.5/a 1:617/1-622/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948.]
- SuDoc number:
- C 21.5/a 1:611/1-616/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1947-48.]
- SuDoc number:
- C 21.5/a 1:605/1-610/4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1947.]
- SuDoc number:
- C 21.5/a 1:599/3-604/4
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1947.]
- SuDoc number:
- C 21.5/a 1:594/1-599/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1946.]
- SuDoc number:
- C 21.5/a 1:582/1-587/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1946.]
- SuDoc number:
- C 21.5/a 1:588/1-593/5
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1945.]
- SuDoc number:
- C 21.5/a 1:570/1-575/4
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1945.]
- SuDoc number:
- C 21.5/a 1:576/1-581/4