DE3024664
FREDRIKSEN, NILS., 4834 HARSEWINKEL, DE, WECKER, HEINRICH, 4790 PADERBORN, DE
Year of Publication 20.09.1990
Get full text
Year of Publication 20.09.1990
Patent
DE2828829
PLUM, JOHANNES, 5160 DUEREN, RAUSCH, JOSEPH, MERTERT (LUXEMBURG), WOLTER, HEINRICH, WECKER-GARE (LUXEMBURG)
Year of Publication 28.08.1980
Get full text
Year of Publication 28.08.1980
Patent