| 摘要 |
PROBLEM TO BE SOLVED: To provide an edge for a plough, which prevents separation of first and second members from each other and which is superior not only in strength and appearance but also in production efficiency. SOLUTION: Characteristically, this edge for the plough includes a first member and one or more second ones; and its surface is composed of the first member alone by covering the second member with the first one. COPYRIGHT: (C)2011,JPO&INPIT
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