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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1942
- SuDoc number:
- C 21.5:544/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.5/a 4:534/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.5/a 4:540/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.5/a 4:538/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1942.]
- SuDoc number:
- C 21.5/a 4:544/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1942
- SuDoc number:
- C 21.5:543/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1942
- SuDoc number:
- C 21.5:545/t.p.&cont.
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- 1942
- SuDoc number:
- C 13.20:98
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1942.]
- SuDoc number:
- C 13.22/a:1468
- Corporate/Agency Authors:
- National Bureau of Standards and Commerce Department
- Publisher:
- National Bureau of Standards
- Date:
- [1942.]
- SuDoc number:
- C 13.22/a:1470