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Subject (Local Yale)
- Patents26
- Patents United States17
- Patents Germany13
- Patents Italy13
- Patents Hungary10
- Patents France8
- Patents United States Cases5
- Copyright4
- Patents Austria4
- Patents Great Britain4
- Patents Switzerland4
- Provenance United States. War Dept. Record Division. Rebel Archives4
- Telephone United States Cases4
- Trade-marks Germany4
- Automation United States3
- Lighting Italy3
- Patents Argentine republic3
- Patents Portugal3
- Patents Spain3
- Arms and ammunition Great Britain2