Title:
【考案の名称】穿削用チップ、および穿削用ビット
Document Type and Number:
Japanese Patent JP3047240
Kind Code:
U
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Inventors:
Akiyoshi Hashimoto
Yoshinobu Shimotani
Yoshinobu Shimotani
Application Number:
JP887997U
Publication Date:
April 10, 1998
Filing Date:
September 18, 1997
Export Citation:
Assignee:
Hashimoto Foundry Co., Ltd.
Alloy Industry Co., Ltd.
Alloy Industry Co., Ltd.
International Classes:
(IPC1-7): E21B10/46
Attorney, Agent or Firm:
Yoshiaki Nagata