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
Priority claimed from SE7910034Aexternal-prioritypatent/SE7910034L/en
Application filed by Ericsson Telefon Ab L MfiledCriticalEricsson Telefon Ab L M
Publication of DK348181ApublicationCriticalpatent/DK348181A/en
DK348181A1979-12-051981-08-04
PROCEDURE FOR TESTING MATERIAL HARDNESS AND HARDNESS PRESSURE TESTING APPARATUS FOR EXERCISING THE PROCEDURE
DK348181A
(en)