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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Jan. 1969
- SuDoc number:
- C 21.3/2:(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Jan. 1969
- SuDoc number:
- C 21.3/2:(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1969.]
- SuDoc number:
- C 21.14/2:C 74
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1969
- SuDoc number:
- C 21.6:968
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1969
- SuDoc number:
- C 21.5/2:968/pt.2
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1969
- SuDoc number:
- C 21.5/3:968
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1969.]
- SuDoc number:
- C 21.12:967/rev.pages-0 and C 21.12:969/rev. pages
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1969.]
- SuDoc number:
- C 21.12:967/rev.pages-8
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1969.]
- SuDoc number:
- C 21.12:967/rev.pages-9
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Revision 1. Jan. 1969
- SuDoc number:
- C 21.3/2:P 69/rev.1