Inquiry (采购产品): model ST-75-20/30/40N I have four of these units in a building here. I have no paperwork or information on them. Two of the four do not work. What kind of paperwork can I get for these? **** Hidden Message ***** Dean Smith 1313 N 13th Ave Walla Walla, WA 99362 USA Company: Washington State Penitentiary Title: HVAC Supervisor E-mail: wdsmith1@doc1.wa.gov **** Hidden Message ***** wdsmith1@doc1.wa.gov
