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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Friedrich Siemens AG
Original Assignee
Friedrich Siemens AG
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Filing date
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Application filed by Friedrich Siemens AGfiledCriticalFriedrich Siemens AG
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Publication of FR626714ApublicationCriticalpatent/FR626714A/fr