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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1936.]
- SuDoc number:
- C 21.5/a 1:472/1-4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [1936.]
- SuDoc number:
- C 21.5/a 1:471/1-4
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- [1936.]
- SuDoc number:
- C 21.5/a 1:470/1-5
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- [Reprint] 1936
- SuDoc number:
- C 21.2:P 27/933/rep.-2
- 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:
- 1936
- SuDoc number:
- C 21.12:929/p.229-230/rev., etc.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1936
- SuDoc number:
- C 21.12:929/p.89-90/rev., etc.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1936
- SuDoc number:
- C 21.12:929/p.73-74/rev.-2, etc.
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- 1936
- SuDoc number:
- C 21.12:929/p.29/rev., etc.
- Corporate/Agency Authors:
- Patent Office
- Publisher:
- Patent Office
- Date:
- 1936
- SuDoc number:
- C 21.12:929/p.75 D-E/rev., etc.