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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948.]
- SuDoc number:
- C 21.10:M 536/2
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1948
- SuDoc number:
- C 21.5/2:947
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1948
- SuDoc number:
- C 21.5/3:947
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948.]
- SuDoc number:
- C 21.12:948
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948.]
- SuDoc number:
- C 21.1/2:947
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948.]
- SuDoc number:
- C 21.5:611/5/supp.
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [August 1947]
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- July 1947
- SuDoc number:
- C 21.2:P 27/5/supp.2
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- Revised May 1, 1947. 1947
- SuDoc number:
- C 21.7/1:947
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Revised May 1, 1947. 1947
- SuDoc number:
- C 21.8:947