申请人 |
CONSTRUCTION RESEARCH & TECHNOLOGY GMBH;FRENKENBERGER, KARL;KOEHLER, STEFAN;HEICHELE, THOMAS;HOETZL, KLAUS-DIETER;WEISS, PATRICK;DRESEN, ALEXANDER |
发明人 |
FRENKENBERGER, KARL;KOEHLER, STEFAN;HEICHELE, THOMAS;HOETZL, KLAUS-DIETER;WEISS, PATRICK;DRESEN, ALEXANDER |