Inquiry (采购产品): Door hold open devise Looking for a door hold open devise that will release and close the door upon electronic impulse from Safety or Security devise. Would like the door closer and hold open devise to be integrated into one assembly. Could use any advise you could offer. Thanks, ejs **** Hidden Message ***** Edward J Seawalt Mail Stop M791 Los Alamos, NM 87545 USA Company: Los alamos National Laboratory Title: Architect 3 Phone: 505-665-4522 E-mail: eseawalt@lanl.gov **** Hidden Message ***** eseawalt@lanl.gov