Title:
【発明の名称】ラックバー用鋼管の製造方法
Document Type and Number:
Japanese Patent JP2697488
Kind Code:
B2
Inventors:
Kenji Ikai
Masayuki Hatanaka
Moriaki Hori
Masayuki Hatanaka
Moriaki Hori
Application Number:
JP13919292A
Publication Date:
January 14, 1998
Filing Date:
May 29, 1992
Export Citation:
Assignee:
Nippon Steel Tube Co., Ltd.
International Classes:
B21B17/14; B21B27/02; B62D3/12; (IPC1-7): B21B17/14; B21B27/02