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Expired
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Carl Knopf
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Individual
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Individual
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Publication of GB190715530ApublicationCriticalpatent/GB190715530A/en
Devices For Indicating Variable Information By Combining Individual Elements
(AREA)
Abstract
15,530. Knopf, C. July 5. Drawings to Specification. Clocks combined with speed-indicators &c.-A clock is combined with a speed-indicator and odometer.
GB190715530D1907-07-051907-07-05Improvements in Speed Indicators
ExpiredGB190715530A
(en)