ES46744A1 - Un mecanismo regulador para los interruptores eléctricos y demás dispositivos por el estilo, que funcionan progresivamente.
- Google Patents
Un mecanismo regulador para los interruptores eléctricos y demás dispositivos por el estilo, que funcionan progresivamente.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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AMERICAN AUTOMATIC TELEPHONE Co
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AMERICAN AUTOMATIC TELEPHONE Co
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Priority to ES46744ApriorityCriticalpatent/ES46744A1/es
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ES46744A1909-11-191909-11-19Un mecanismo regulador para los interruptores eléctricos y demás dispositivos por el estilo, que funcionan progresivamente.
ExpiredES46744A1
(es)