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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1957.]
- SuDoc number:
- C 21.12:947/rev.pages-34
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Amended July 1957. [1957.]
- SuDoc number:
- C 21.12:947/rev.pages-18/957
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Amended July 1957. [1957.]
- SuDoc number:
- C 21.12:947/rev.pages-22/957
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1957.]
- SuDoc number:
- C 21.12:947/rev.pages-33
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Amended July 1957. [1957.]
- SuDoc number:
- C 21.12:947/rev.pages-20/957
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1957.]
- SuDoc number:
- C 21.12:947/rev.pages-35
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Amended July 1957. [1957.]
- SuDoc number:
- C 21.12:947/rev.pages-17/957
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- Amended July 1957. [1957.]
- SuDoc number:
- C 21.12:947/rev.pages-21/957
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1957.]
- SuDoc number:
- C 21.12:947/rev.pages-36
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- [1956.]
- SuDoc number:
- C 21.12:947/rev.pages-30