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- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- May 2, 1918
- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- Revised Jan. 1, 1916. Reprint [with changes] Feb. 15, 1918
- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- 1918
- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- [Reprint, 1918.]
- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- 1918
- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- 1918
- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- 1918
- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- 1918
- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- 1918
- Corporate/Agency Authors:
- Patent Office and Interior Department
- Publisher:
- Patent Office
- Date:
- 1918