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Pentafluoroethane is a fluorocarbon with the formula CF 3 CHF 2.Pentafluoroethane is currently used as a refrigerant (known as R-125) and also used as a fire suppression agent in fire suppression systems.
R125 Model PBR-550 ballast regulator cars BR002–BR003 Plasser Presumed retired [19] R126 Same as R47 & R52 [20] R127: Refuse train propulsion cars EP001–EP010 Kawasaki 1990–1991 In service: R128 Same as R123 [21] R129 Overhead cranes (for shop) R130 Same as R110A R131 Same as R110B R132 Replace Coney Island Yard cranes (planning MW104111 ...
R-407c container . R-407C is a mixture of hydrofluorocarbons used as a refrigerant.It is a zeotropic blend of difluoromethane (R-32), pentafluoroethane (R-125), and 1,1,1,2-tetrafluoroethane (R-134a).
R-454B, also known by the trademarked names Opteon XL41, Solstice 454B, and Puron Advance, is a zeotropic blend of 68.9 percent difluoromethane (R-32), a hydrofluorocarbon, and 31.1 percent 2,3,3,3-tetrafluoropropene (R-1234yf), a hydrofluoroolefin. [1]
Thomas Henry Moray (August 28, 1892 - May 18, 1974) was an inventor from Salt Lake City, Utah. [1] He received US patent 2,460,707, "Electrotherapeutic Device", in February 1949, after a process of 17 years in discussions with the patent office.
The Adua-class submarines were essentially repeats of the preceding Perla class.They displaced 680 long tons (690 t) surfaced and 844 long tons (858 t) submerged. The submarines were 60.18 meters (197 ft 5 in) long, had a beam of 6.45 meters (21 ft 2 in) and a draft of 4.7 meters (15 ft 5 in).
SS Empire Javelin was an Infantry Landing Ship designated an "LSI (Large)" in service with the UK in the latter part of World War II.Launched on 25 October 1943, she was a United States Maritime Commission C1-S-AY1 subtype, one of thirteen similar ships built by Consolidated Steel Corporation.
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