| 摘要 |
1497473 Rotary harrows C VAN DER LELY NV 13 Jan 1975 [18 Jan 1974] 16697/77 Divided out of 1497471 Heading A1B The subject-matter of this Specification is also disclosed in Parent Specification and Specification 1497472 and 1497474, but the present claims are concerned with the disposition of the ground wheels 30 and of the material hopper 39.
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