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- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- [1950.]
- SuDoc number:
- C 13.20:116/Portuguese
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- [1950.]
- SuDoc number:
- C 13.20:116/Spanish
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- [2d edition.] [1950.]
- SuDoc number:
- C 13.20:122/2
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- 2d edition. [1950.]
- SuDoc number:
- C 13.20:(nos.)
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- 2d edition. [1950.]
- SuDoc number:
- C 13.20:(nos.)
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- [1950.]
- SuDoc number:
- C 18.20:142/Spanish
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- [1950.]
- SuDoc number:
- C 13.30:(nos.)
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- [1950.]
- SuDoc number:
- C 13.20:156
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- [1950.]
- SuDoc number:
- C 13.20:(nos.)
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Publisher:
- National Bureau of Standards
- Date:
- [1950.]
- SuDoc number:
- C 13.20:(no.)