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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1961.]
- SuDoc number:
- C 21.3:(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1961
- SuDoc number:
- C 21.6:960
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1961.]
- SuDoc number:
- C 21.14:D 78/961
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1961
- SuDoc number:
- C 21.5/2:960
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1961
- SuDoc number:
- C 21.5/3:960
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1961.]
- SuDoc number:
- C 21.12:960/notice
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1961.]
- SuDoc number:
- C 21.12:960/rev.pages-2
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1961.]
- SuDoc number:
- C 21.12:960/rev.pages-4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1961.]
- SuDoc number:
- C 21.12:960/rev.pages-3
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1961.]
- SuDoc number:
- C 21.12:960/rev.pages