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- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1941
- SuDoc number:
- C 21.5/2:940
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1940
- SuDoc number:
- C 21.5/2:939
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1939
- SuDoc number:
- C 21.5/2:938
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1938
- SuDoc number:
- C 21.5/2:937
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1937
- SuDoc number:
- C 21.5/2:936
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1936
- SuDoc number:
- C 21.5/2:935
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1935
- SuDoc number:
- C 21.5/2:934
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1934
- SuDoc number:
- C 21.5/2:933
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1933
- SuDoc number:
- C 21.5/2:932
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1932
- SuDoc number:
- C 21.5/2:931