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.)
Expired
Application number
Inventor
Brothers & Co Ltd Siemens
Original Assignee
Siemens Brothers and Co Ltd
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Filing date
Publication date
Application filed by Siemens Brothers and Co LtdfiledCriticalSiemens Brothers and Co Ltd
Application grantedgrantedCritical
Publication of GB190503606ApublicationCriticalpatent/GB190503606A/en