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Hefferman, J. T.

Publications and source records attributed to Hefferman, J. T..

Surface finishing

A surface of an article adapted for relative motion with a fluid environment is finished by coating the surface with a fluid adhesive, covering the adhesive with a sheet of flexible film material under tension on the film material whereby the tensioned film material is bonded to the surface by the adhesive.

Kinzler, J. A.