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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- Date:
- 3d edition [Nov. 1961] [1961.]
- SuDoc number:
- C 21.15:961
- SuDoc number:
- C 21.15:(date)
- SuDoc number:
- C 21.15:(date)
- SuDoc number:
- C 21.15:(date)
- SuDoc number:
- C 21.15:(date)
- SuDoc number:
- C 21.15:(date)