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Home › Calibration system for mechanical gas volume corrector

Calibration system for mechanical gas volume corrector

US Patent 4674316 · Granted Jun 23, 1987

Estimated economic value: $2,595,000 ⓘ

Assignee

The Singer Company Limited

Inventors

Charles W. Albrecht (9 patents)
Malcolm W. Cornforth (2 patents)

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