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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Feb. 1968
- SuDoc number:
- C 21.3/2:class(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Feb. 1968
- SuDoc number:
- C 21.3/2:class(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Feb. 1968
- SuDoc number:
- C 21.3/2:class(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [Revised Jan. 15, 1968]. [1968.]
- SuDoc number:
- C 21.15:961/rev.notice 15
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Jan. 15, 1968
- SuDoc number:
- C 21.15:961/ch.16-1 to 16-2
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 1968
- SuDoc number:
- C 21.20:B 75/21
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Revision 1. Mar. 1968
- SuDoc number:
- C 21.3/2:class (nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Revision 1. Mar. 1968
- SuDoc number:
- C 21.3/2:class (nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Revision 1. Mar. 1968
- SuDoc number:
- C 21.3/2:class (nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Revision 1. Mar. 1968
- SuDoc number:
- C 21.3/2:class (nos.)