Title:
【発明の名称】熱間押出し製管方法
Document Type and Number:
Japanese Patent JP2597923
Kind Code:
B2
Inventors:
Yu Nagase
Yoshimi Yamadera
Yoshimi Yamadera
Application Number:
JP24339190A
Publication Date:
April 09, 1997
Filing Date:
September 12, 1990
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
B21C23/08; B21C25/04; (IPC1-7): B21C23/08
Domestic Patent References:
| JPS63286216A | ||||
| JP60176811B | ||||
| JP52129746B | ||||
| JPS6428887U |
Attorney, Agent or Firm:
Tono Kono