Movable, thick-walled door
POLLAK, GERD, 5270 GUMMERSBACH, DE, KEINTZEL, GUENTER., 5250 ENGELSKIRCHEN, DE
Year of Publication 25.01.1990
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Year of Publication 25.01.1990
Patent
DE3841122
KEINTZEL, GUENTER., 5250 ENGELSKIRCHEN, DE, PREMEL, ULRICH, 5270 GUMMERSBACH, DE
Year of Publication 12.10.1989
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Year of Publication 12.10.1989
Patent