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.)
ELAC Electroacustic GmbH
Original Assignee
ELAC Electroacustic GmbH
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 ELAC Electroacustic GmbHfiledCriticalELAC Electroacustic GmbH
Publication of ES269796A1publicationCriticalpatent/ES269796A1/es
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves
(AREA)
Length Measuring Devices Characterised By Use Of Acoustic Means
(AREA)
Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others
(AREA)
ES0269796A1960-12-121961-08-11Dispositivo indicador para un aparato registrador destinado a la medicion del tiempo empleado por ecos
ExpiredES269796A1
(es)