Inquiry (采购产品): chain sprocket I need a 5/16 pitch roller chain sprocket, without hub, mild steel, 42 teeth m a fugelso, prof of mech engr, u of mn **** Hidden Message ***** m a fugelso 55812 Company: univ of minn E-mail: mfugelso@d.umn.edu **** Hidden Message ***** mfugelso@d.umn.edu
