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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948.]
- SuDoc number:
- C 21.5:611/1-616/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1948-49
- SuDoc number:
- C 21.5:616-521/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1948
- SuDoc number:
- C 21.5:610-615/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948-49.]
- SuDoc number:
- C 21.5:617/-622/5
- 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 21.7/1:948
- 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 and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948.]
- SuDoc number:
- C 21.10:As 73/3
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948-49.]
- SuDoc number:
- C 21.5/a 3:617/1-622/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1948.]
- SuDoc number:
- C 21.5/a:611/1-616/5