Title:
【発明の名称】曲り二重管の製造方法及び装置
Document Type and Number:
Japanese Patent JPH0741321
Kind Code:
B2
Inventors:
Osamu Niimura
Matsui Shigetomo
Takeshi Yamada
Kiyoshi Yamashita
Matsui Shigetomo
Takeshi Yamada
Kiyoshi Yamashita
Application Number:
JP20197988A
Publication Date:
May 10, 1995
Filing Date:
August 15, 1988
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
B21D7/16; B21C37/06; B21D9/00; (IPC1-7): B21D7/16; B21C37/06
Domestic Patent References:
| JP576384B2 |
Attorney, Agent or Firm:
Tomita Koharu
Next Patent: FIBROUS MAGNETITE AND PRODUCTION THEREOF