Title:
【発明の名称】精密角形長孔の加工方法とその加工品
Document Type and Number:
Japanese Patent JPH07106418
Kind Code:
B2
Inventors:
Akira Yamaguchi
Application Number:
JP20704393A
Publication Date:
November 15, 1995
Filing Date:
July 30, 1993
Export Citation:
Assignee:
Oshima Kiko Co., Ltd.
International Classes:
B21J5/12; B21K1/14; B21K21/06; B23P9/04; (IPC1-7): B21K21/06; B21J5/12; B21K1/14
Attorney, Agent or Firm:
Minoru Kudaka