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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1950.]
- SuDoc number:
- C 21.10:As 31
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1950.]
- SuDoc number:
- C 21.12:947/rev.pages-7
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1950.]
- SuDoc number:
- C 21.12:947/rev.pages-8
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [July 1949]
- SuDoc number:
- C 21.5/a 4:617/1-622/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1949.]
- SuDoc number:
- C 21.10:L 285
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1949.]
- SuDoc number:
- C 21.10:G 166/2
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1949.]
- SuDoc number:
- C 21.10:G 373
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1949.]
- SuDoc number:
- C 21.10:G 678
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1949.]
- SuDoc number:
- C 21.10:In 8/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1949.]
- SuDoc number:
- C 21.10:Se 13