Improvements in and connected with the Manufacture of Rollers for Washing, Wringing, and like Machines

8646. Wrightham, F., and Wrightham, C. W. April 12. Rollers for washing, wringing, and like machines are made of concrete, artificial stone, &c. The material may be uniform throughout or may comprise a centre a, Fig. 4, of coarse material and an outer layer b of fine material. The material used...

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Bibliographische Detailangaben
Hauptverfasser: FRANK WRIGHTHAM, CHARLES WILLIAM WRIGHTHAM
Format: Patent
Sprache:eng
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