Title:
内面溝付管の加工方法
Document Type and Number:
Japanese Patent JP4647855
Kind Code:
B2
Inventors:
Taku Nagata
Nobuaki Hinako
Nobuaki Hinako
Application Number:
JP2001254426A
Publication Date:
March 09, 2011
Filing Date:
August 24, 2001
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
B21C1/22; F28F1/40; B21C3/08; B21C3/16; B21C37/20; B21D17/04
Domestic Patent References:
| JP11019711A | ||||
| JP10238984A | ||||
| JP10211537A |
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara
Makoto Suhara