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PFEILER, MANFRED.., 8520 ERLANGEN, DE, ERMERT, HELMUT, DR., 8551 ROETTENBACH, DE, BARTH, KARL
Year of Publication 18.02.1993
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Year of Publication 18.02.1993
Patent
DE3610439
ERMERT, HELMUT, DR.., 8551 ROETTENBACH, DE, SCHMOLKE, JUERGEN., 8860 NOERDLINGEN, DE
Year of Publication 09.01.1992
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Year of Publication 09.01.1992
Patent
DE3321269
HILLER, DIETMAR., 8520 ERLANGEN, DE, ERMERT, HELMUT, DR.., 8551 ROETTENBACH, DE
Year of Publication 06.07.1989
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Year of Publication 06.07.1989
Patent
Ultrasonic testing method for locating material defects - driving ultrasonic transducer with FM chirp signal with instantaneous frequency variation matched to transmission path transfer function
ERMERT, HELMUT, DR., 8551 ROETTENBACH, DE, POLLAKOWSKI, MARTIN., 4630 BOCHUM, DE, BERNUS, LUDWIG VON. DR., 8812 WINDSBACH, DE
Year of Publication 07.04.1994
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Year of Publication 07.04.1994
Patent
Ultrasound test method for flaw location - using frequency modulated chirp signal whose instantaneous frequency time characteristic is matched to transfer function of transmission path
ERMERT, HELMUT, DR., 8551 ROETTENBACH, DE, POLLAKOWSKI, MARTIN., 4630 BOCHUM, DE, BERNUS, LUDWIG VON. DR., 8812 WINSBACH, DE
Year of Publication 27.01.1994
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Year of Publication 27.01.1994
Patent
Ein sonographisches Elastographiesystem
LORENZ, ANDREAS., 44789 BOCHUM, DE, ERMERT, HELMUT, DR.., 91341 ROETTENBACH, DE, WIEBE, PETER., 58285 GEVELSBERG, DE
Year of Publication 10.06.1999
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Year of Publication 10.06.1999
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