少儿教育专利名称:Powder metallurgical body with compacted
surface
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big up发明人:Owe Mårs,Nils Carlbaum
申请号:US09208499
申请日:19981210
公开号:US06171546B1
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专利内容由知识产权出版社提供
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专利附图:
摘要:The prent invention concerns compacted and optionally presintered bodies,which are prepared from metal powders and which have densified surfaces, obtained by shot peening or rolling.
大学英语四六级查询>putdown申请人:HOEGANAES AB
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代理机构:Burns, Doane, Swecker & Mathis, L.L.P.更多信息请下载全文后查看