| http://www.w3.org/ns/prov#value | - Thermal spraying, which includes plasma spraying and other coating processes such as combustion flame and electric/wire arc, is a well-known coating technique described, for example, in U.S. Pat. Nos.: 3,839,618; 4,649,858; 5,452,854; and 5,837,959 (Muehlberger; Sakai et al.; Keller; and Muehlberger, et al., respectively).
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