DE3336780
FRANCHY, RENE. DR., 5170 JUELICH, DE, IBACH, HARALD. , 5100 AACHEN, DE
Year of Publication 02.01.1986
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Year of Publication 02.01.1986
Patent
DE3336810
IBACH, HARALD, .., 5100 AACHEN, DE, FRANCHY, RENE. DR., 5170 JUELICH, DE
Year of Publication 24.10.1985
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Year of Publication 24.10.1985
Patent