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OM - IW4AJR - start study and building in electronic and telecommunication in 1965, - start study of microprocessor and microcontroller in industrial using in 1975, - designer of many industrial controller based on microprocessor and microcontroller from 1975 to 1994, - project and product safety certification manager of industrial trucks from 1994 to 2003, - electromagnetic compatibility and electronic Consultant for international standards working group from 1994, - work safety in logistics Consultant and electronic engineer Consultant from 2003, - electronic and telecommunication designer for my hobby from 1975.