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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rufa Sprechanlagen Dietze & Co
Original Assignee
Rufa Sprechanlagen Dietze & Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rufa Sprechanlagen Dietze & CofiledCriticalRufa Sprechanlagen Dietze & Co
Priority to DE1954R0008405priorityCriticalpatent/DE1676369U/en
Publication of DE1676369UpublicationCriticalpatent/DE1676369U/en