| 摘要 |
1,139,582. Magnetic filters. MARVEL ENG. CO. 13 Jan., 1966 [13 Jan., 1965], No. 46636/68. Divided out of 1139581. Heading B2J. The subject-matter of this specification is identical with that described in the parent specification but the claims are concerned with a permanent magnet element for use in a fluid filter or filter cartridge and comprising a number of permanent bare magnets axially assembled within the bore of a retaining tube with like poles of adjacent magnets contacting or spaced from and facing one another, the ends of the tube being closed. |
