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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1969.]
- SuDoc number:
- C 21.20:Sch 8
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1969
- SuDoc number:
- C 21.20:Sch 8/2
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1969
- SuDoc number:
- C 21.20:Sch 8/3
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1969.]
- SuDoc number:
- C 21.2:P 27/9/969
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1969.]
- SuDoc number:
- C 21.2:P 60/2
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1969
- SuDoc number:
- C 21.5/2:968/pt.1
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Dec. 1968
- SuDoc number:
- C 21.3/2:(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Dec. 1968
- SuDoc number:
- C 21.3/2:(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Dec. 1968
- SuDoc number:
- C 21.3/2:(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Dec. 1968
- SuDoc number:
- C 21.3/2:(nos.)