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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1970.]
- SuDoc number:
- C 21.12:969/rev.pages-3
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1970.]
- SuDoc number:
- C 21.12:969/rev.pages-4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1970.]
- SuDoc number:
- C 21.12:969
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [June 1969]
- SuDoc number:
- C 21.12:967/rev.-7
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [February 1969]
- SuDoc number:
- C 21.12:967/rev.-6
- 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:
- July 1968
- SuDoc number:
- C 21.12:967/rev.pages-4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1968
- SuDoc number:
- C 21.12:967/rev.pages.3