Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
E21D23/0056—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with individual advancing shifting devices
Formschließvorrichtung einer Spritzgießmaschine, mit zwischen einer bewegbaren Formträgerplatte und einer ortsfesten Abstützplatte angeordneten Kniehebelpaaren
Traeger zur auswechselbaren aufhaengung von flaechenhaften gegenstaenden, insbesondere metallplatten fuer die automatisierte offsetplattenherstellung, an laufschienen.