DE2004090
WIEDMANN, SIEGFRIED KURT. DR., 7300 ESSLINGEN, BERGER, HORST HEINZ., 7032 SINDELFINGEN
Year of Publication 07.08.1980
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Year of Publication 07.08.1980
Patent
DE2004090
WIEDMANN, SIEGFRIED KURT. DR., 7300 ESSLINGEN, BERGER, HORST HEINZ., 7032 SINDELFINGEN
Year of Publication 29.11.1979
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Year of Publication 29.11.1979
Patent