Title:
【発明の名称】耐欠損性のすぐれた炭化タングステン基超硬合金製切削工具
Document Type and Number:
Japanese Patent JP2668977
Kind Code:
B2
Inventors:
Yoshinori Hironori
Application Number:
JP22329788A
Publication Date:
October 27, 1997
Filing Date:
September 06, 1988
Export Citation:
Assignee:
Mitsubishi Materials Corporation
International Classes:
B23B27/14; C22C29/02; C22C29/08; C22C29/16; C22C47/14; (IPC1-7): B23B27/14; C22C1/09; C22C29/08
Other References:
【文献】米国特許3507632(US,A)
Attorney, Agent or Firm:
Kazuo Tomita (1 person outside)