专利名称：Segmented cutting tools
发明人：Kawika Shawn Fisher,Steve Allen Moon 申请号：US08/933791
rave
申请日：19970919
公开号：US06033295A
公开日：
petroleum
20000307
专利内容由知识产权出版社提供
英文翻译器
zalman
摘要：Segmented cutting tools such core drill bits and diamond saw blades can be made more efficient by hardening a portion of the sides of each of the gments.e2say
forgive>在线视听
nil申请人：NORTON COMPANYgazelle
代理人：Mary E. Portereconomic
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